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Yamaha B-75-B-55 Manual

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Comments to date: 9. Page 1 of 1. Average Rating:
jackbuffy 2:14am on Thursday, November 4th, 2010 
This system is fantastic in every way, easy to set up and add to the receiver. The Bose Acoustimass 10 Series speaker system is awesome!
clare 11:08pm on Tuesday, August 24th, 2010 
I set it up and it sound like I am the theater. I am very Pleased Attractive Design","Easy Setup","Easy to Mount","Good Power Output". I cant wait to purchase one of these systems for my home Attractive Design","Great Sound
jhongaira 8:49am on Monday, May 17th, 2010 
Seems like a lot to pay for something like this. Nothing is cheap like it used to be... Works exactly what I needed it for. Basically. So, why did I spend many, many hundreds of dollars on a speaker system and separate amplifier for the computer. Well.
Josefuss 8:45pm on Wednesday, May 12th, 2010 
Nice solution I purchased one of these for my father-in-law to use in a cabinet he re-built. Great little product. Took about 5 minutes to install.
Cheetah 2:03am on Sunday, May 9th, 2010 
Awesome for the sounds. I could not wait to install it in my living room. Clear Sound, Easy To Setup, Intuitive Controls, Thundering Bass Expensive Purchased the lifestyle 28 series home theatre system. This system is great for larger rooms and has crisp sound that literally fills the room. Great sound out of a compact design. The only con I can mention for this product is the high price tag for Bose products. Attractive Design, Compact,...
alexrait1 12:46pm on Wednesday, April 7th, 2010 
Great Product and Easy set up Not much to say except that it works better than expected. I installed it in a closet with a 20ft 3.
SeaWolf 4:21pm on Tuesday, April 6th, 2010 
It is a great sound in a room Attractive Design","Easy Setup","Easy to Mount","Good Power Output","Great Sound Quality
nedkonz 12:12pm on Friday, April 2nd, 2010 
The remote stop working. The heavy magnet used to transmit is soldered & can easily break if the remote is dropped. If you have the cash and looking for something easy to set up, go for it. I have heard audio equipment costing as little as an $18 iPod dock to a pair of speakers costing $50,000. But.
steven_stern 2:30am on Tuesday, March 23rd, 2010 
I have an Onkyo 605 receiver that puts out 90 watts per channel, the cubes can go up to 100 watts. If you are looking for a good 5.

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




Key to use of document

(ii) aballoonwithamaximumdesignliftinggasorhotairvolumeofnotmorethan 3400m3forhot-airballoons,1050m3forgasballoons,300m3fortetheredgas balloons; (iii)an airship designed for not more than two occupants and a maximum design liftinggasorhot-airvolumeofnotmorethan2500m3forhot-airairshipsand 1000m3forgasairships; (l) LSA aircraft means a light sport aeroplane which has all of the following characteristics: (ii) amaximumstallingspeedinthelandingconfiguration(VS0)ofnotmorethan 45knotsCalibratedAirspeed(CAS)attheaircraftsmaximumcertificatedtakeoff massandmostcriticalcentreofgravity; (iii)amaximumseatingcapacityofnomorethantwopersons,includingthepilot; (iv)asingle,non-turbineenginefittedwithapropeller; (v) anon-pressurisedcabin; (m)principal place of business means the head office or the registered office of the undertaking within which the principal financial functions and operational control oftheactivitiesreferredtointhisRegulationareexercised.
Text amended, including the regulation number amended by. [lines down side of amended text]
(i) aMaximumTake-offMass(MTOM)ofnotmorethan600kg;

EU127/2010 EC1056/2008

Article3 Continuing airworthiness requirements
1. The continuing airworthiness of aircraft and components shall be ensured in accordancewiththeprovisionsofAnnexI. 2. Organisationsandpersonnelinvolvedinthecontinuingairworthinessofaircraftand components,includingmaintenance,shallcomplywiththeprovisionsofAnnexIand whereappropriatethosespecifiedinArticles4and5. 3. Byderogationfromparagraph1,thecontinuingairworthinessofaircraftholdinga permittoflyshallbeensuredonthebasisofthespecificcontinuingairworthiness Part 145 AMC145.A.10Scope arrangements as defined in the permit to fly issued in accordance with the Annex (Part-21)toCommissionRegulation(EC)N1702/2003. 4. Foraircraftnotusedincommercialairtransport,anyairworthinessreviewcertificate AMC 145.A.10 Scope orequivalentdocumentissuedinaccordancewiththeMemberStaterequirements and valid on 28 September 2008 shall be valid until its expiration date or until 28 1. September2009,whichevercomesfirst.Aftertheexpirationofitsvalidity,thecomLine Maintenance should be understood as any maintenance that is carried out beforeflighttoensurethattheaircraftisfitfortheintendedflight. petent authority may further re-issue or extend one time the airworthiness review certificate or equivalent document for one year, if allowed by the Member State (a) Line Maintenancemayinclude: requirements.Uponfurtherexpiration,thecompetentauthoritymayfurtherre-issue Troubleshooting. orextendonemoretimetheairworthinessreviewcertificateorequivalentdocument foroneyear,ifallowedbytheMemberStaterequirements.Nofurtherre-issuanceor Defectrectification. extensionisallowed.Iftheprovisionsofthispointhavebeenused,whentransfer Component replacement with use of external test equipment if required. ringtheregistrationoftheaircraftwithintheEU,anewairworthinessreviewcertifiComponentreplacementmayincludecomponentssuchasenginesandprocateshallbeissuedinaccordancewithM.A.904. pellers.


AMC Acceptable Means of Compliance [pages with thick yellow bars (light grey)]


Scheduledmaintenanceand/orchecksincludingvisualinspectionsthatwill detect obvious unsatisfactory conditions/discrepancies but do not require extensiveindepthinspection.Itmayalsoincludeinternalstructure,systems 11 andpowerplantitemswhicharevisiblethroughquickopeningaccesspanels/ doors. Minorrepairsandmodificationswhichdonotrequireextensivedisassembly andcanbeaccomplishedbysimplemeans.
(b) Fortemporaryoroccasionalcases(ADs,SBs)theQualityManagermayaccept base maintenance tasks to be performed by a line maintenance organisation providedallrequirementsarefulfilledasdefinedbythecompetentauthority. (c) Maintenance tasks falling outside these criteria are considered to be Base Maintenance. ED2010/002/R (d) Aircraftmaintainedinaccordancewithprogressivetypeprogrammesshouldbe individually assessed in relation to this paragraph. In principle, the decision to allowsomeprogressivecheckstobecarriedoutshouldbedeterminedbythe assessmentthatalltaskswithintheparticularcheckcanbecarriedoutsafelyto therequiredstandardsatthedesignatedlinemaintenancestation. 2. Where the organisation uses facilities both inside and outside the Member State such as satellite facilities, sub-contractors, line stations etc., such facilities may be includedintheapprovalwithoutbeingidentifiedontheapprovalcertificatesubject tothemaintenanceorganisationexpositionidentifyingthefacilitiesandcontaining Part 145 GM145.A.10Scope procedurestocontrolsuchfacilitiesandthecompetentauthoritybeingsatisfiedthat theyformanintegralpartoftheapprovedmaintenanceorganisation. CAUTION: it should be understood that if the contracted organisation or the above mentioned person loses or gives up its approval, then the organisationsapprovalwillbesuspended.
GM Guidance Material [pages with thick green bars (dark grey)]
4 RecommendedoperatingprocedureforaPart-145approvedmaintenanceorganisationbaseduponupto10personsinvolvedinmaintenance. 4.1 145.A.30(b):Thenormalminimumrequirementisfortheemploymentonafulltimebasisoftwopersonswhomeetthecompetentauthoritiesrequirementsfor certifyingstaff,wherebyoneholdsthepositionofmaintenanceengineerand theotherholdsthepositionofqualityauditengineer. Either person can assume the responsibilities of the accountable manager providing that they can comply in full with the applicable elements of 145.A.30(a), but the maintenance engineer should be the certifying person to retain the independence of the quality audit engineer to carry out audits. Nothingpreventseitherengineerfromundertakingmaintenancetasksproviding thatthemaintenanceengineerissuesthecertificateofreleasetoservice. Thequalityauditengineershouldhavesimilarqualificationsandstatustothe maintenance engineer for reasons of credibility, unless he/she has a proven track-record in aircraft quality assurance, in which case some reduction in the extentofmaintenancequalificationsmaybepermitted. In cases where the competent authority agrees that it is not practical for the organisationtonominateapostholderforthequalitymonitoringfunction,this functionmaybecontractedinaccordancetoparagraph3.1.1.

AMC 145.A.25 (d) Facility requirements
AMC 145.A.25 (a) Facility requirements
1. Where the hangar is not owned by the organisation, it may be necessary to establish proof of tenancy. In addition, sufficiency of hangar space to carry out planned base maintenance should be demonstrated by the preparation of a projected aircraft hangar visit plan relative to the maintenance programme. The aircraft hangar visit plan should be updated on a regular basis. 2. Protection from the weather elements relates to the normal prevailing local weather elements that are expected throughout any twelve month period. Aircraft hangar and component workshop structures should prevent the ingress of rain, hail, ice, snow, wind and dust etc. Aircraft hangar and component workshop floors should be sealed to minimise dust generation. 3. For line maintenance of aircraft, hangars are not essential but it is recommended that access to hangar accommodation be demonstrated for usage during inclement weather for minor scheduled work and lengthy defect rectification. 4. Aircraft maintenance staff should be provided with an area where they may study maintenance instructions and complete maintenance records in a proper manner.
AMC 145.A.25 (b) Facility requirements
It is acceptable to combine any or all of the office accommodation requirements into one office subject to the staff having sufficient room to carry out the assigned tasks. In addition, as part of the office accommodation, aircraft maintenance staff should be provided with an area where they may study maintenance instructions and complete maintenance records in a proper manner.
1. Storage facilities for serviceable aircraft components should be clean, wellventilated and maintained at a constant dry temperature to minimise the effects of condensation. Manufacturers storage recommendations should be followed for those aircraft components identified in such published recommendations. 2. Storage racks should be strong enough to hold aircraft components and provide sufficient support for large aircraft components such that the component is not distorted during storage. 3. All aircraft components, wherever practicable, should remain packaged in protective material to minimise damage and corrosion during storage.

AMC No 1 to 145.A.50 (d) Certification of maintenance
AMC 145.A.50 (a) Certification of maintenance
Endangers the flight safety means any instances where safe operation could not be assured or which could lead to an unsafe condition. It typically includes, but is not limited to, significant cracking, deformation, corrosion or failure of primary structure, any evidence of burning, electrical arcing, significant hydraulic fluid or fuel leakage and any emergency system or total system failure. An airworthiness directive overdue for compliance is also considered a hazard to flight safety. ED 2010/002/R ED 2010/002/R
AMC 145.A.50 (b) Certification of maintenance
1. The certificate of release to service should contain the following statement: Certifies that the work specified, except as otherwise specified, was carried out in accordance with Part-145 and in respect to that work the aircraft/aircraft component is considered ready for release to service. Reference should also be made to the EASA Part-145 approval number.
2. It is acceptable to use an alternate abbreviated certificate of release to service consisting of the following statement Part-145 release to service instead of the full certification statement specified in paragraph 1. When the alternate abbreviated certificate of release to service is used, the introductory section of the technical log should include an example of the full certification statement from paragraph 1. 3. The certificate of release to service should relate to the task specified in the (S)TC holders or operators instructions or the aircraft maintenance program which itself may cross-refer to maintenance data. 4. The date such maintenance was carried out should include when the maintenance took place relative to any life or overhaul limitation in terms of date/flying hours/ cycles/landings etc., as appropriate. 5. When extensive maintenance has been carried out, it is acceptable for the certificate of release to service to summarise the maintenance as long as there is a unique crossreference to the work package containing full details of maintenance carried out. Dimensional information should be retained in the work-pack record.
The purpose of the certificate is to release assemblies/items/components/parts (hereafter referred to as item(s)) after maintenance and to release maintenance work carried out on such items under the approval of a competent authority and to allow items removed from one aircraft/aircraft component to be fitted to another aircraft/aircraft component. The certificate is to be used for export/import purposes, as well as for domestic purposes, and serves as an official certificate for items from the manufacturer/maintenance organisation to users. It can only be issued by organisations approved by the particular competent authority within the scope of the approval.
AMC No 2 to 145.A.50 (d) Certification of maintenance
The certificate may be used as a rotable tag by utilising the available space on the reverse side of the certificate for any additional information and dispatching the item with two copies of the certificate so that one copy may be eventually returned with the item to the maintenance organisation. The alternative solution is to use existing rotable tags and also supply a copy of the certificate.

AMC 145.A.50 (e) Certification of maintenance
2.9.Used aircraft components removed from an aircraft involved in an accident or incident. Such components should only be issued with an EASA Form 1 when processed in accordance with paragraph 2.7 and a specific work order including all additional necessary tests and inspections deemed necessary by the accident or incident. Such a work order may require input from the TC holder or original manufacturer as appropriate. This work order should be referenced in block 12.
1. Being unable to establish full compliance with sub-paragraph Part-145.A.50(a) means that the maintenance required by the aircraft operator could not be completed due either to running out of available aircraft maintenance downtime for the scheduled check or by virtue of the condition of the aircraft requiring additional maintenance downtime. 2. The aircraft operator is responsible for ensuring that all required maintenance has been carried out before flight and therefore 145.A.50(e) requires such operator to be informed in the case where full compliance with 145.A.50(a) cannot be achieved within the operators limitations. If the operator agrees to the deferment of full compliance, then the certificate of release to service may be issued subject to details of the deferment, including the operators authority, being endorsed on the certificate. NOTE: Whether or not the aircraft operator does have the authority to defer maintenance is an issue between the aircraft operator and the competent authority of the State of Registry or State of operator, as appropriate. In case of doubt concerning such a decision of the operator, the approved maintenance organisation should inform its competent authority on such doubt, before issuing the certificate of release to service. This will allow this competent authority to investigate the matter with the competent authority of the State of Registry or the State of the operator as appropriate.
3. The procedure should draw attention to the fact that 145.A.50 (a) does not normally permit the issue of a certificate of release to service in the case of non-compliance and should state what action the mechanic, supervisor and certifying staff should take to bring the matter to the attention of the relevant department or person responsible for technical co-ordination with the aircraft operator so that the issue may be discussed and resolved with the aircraft operator. In addition, the appropriate person(s) as specified in 145.A.30(b) should be kept informed in writing of such possible non-compliance situations and this should be included in the procedure.

AMC 145.A.50 (f) Certification of maintenance
1. Suitable release certificate means a certificate which clearly states that the aircraft component is serviceable; that clearly specifies the organisation releasing said component together with details of the authority under whose approval the organisation works including the approval or authorisation reference. 2. Compliance with all other Part-145 and operator requirements means making an appropriate entry in the aircraft technical log, checking for compliance with type design standards, modifications, repairs, airworthiness directives, life limitations and condition of the aircraft component plus information on where, when and why the aircraft was grounded
GM 145.A.50 (d) EASA Form 1 Block 12 Remarks
Examples of data to be entered in this block as appropriate:

Maintenance documentation used, including the revision status, for all work performed and not limited to the entry made in block 11. A statement such as in accordance with the CMM is not acceptable. NDT methods with appropriate documentation used when relevant. Compliance with airworthiness directives or service bulletins. Repairs carried out. Modifications carried out. Replacement parts installed. Life-limited parts status. Shelf life limitations. Deviations from the customer work order. ED 2010/002/R Release statements to satisfy a foreign Civil Aviation Authority maintenance requirement. Information needed to support shipment with shortages or re-assembly after delivery. References to aid traceability, such as batch numbers.
145.A.55 Maintenance records
(a) The organisation shall record all details of maintenance work carried out. As a minimum, the organisation shall retain records necessary to prove that all requirements have been met for issuance of the certificate of release to service, including subcontractors release documents. (b) The organisation shall provide a copy of each certificate of release to service to the aircraft operator, together with a copy of any specific approved repair/modification data used for repairs/modifications carried out. (c) The organisation shall retain a copy of all detailed maintenance records and any associated maintenance data for three years from the date the aircraft or component to which the work relates was released from the organisation. 1. the records under this paragraph shall be stored in a manner that ensures protection from damage, alteration and theft. 2. Computer backup discs, tapes etc. shall be stored in a different location from that containing the working discs, tapes etc., in an environment that ensures they remain in good condition. 3. Where an organisation approved under this Part terminates its operation, all retained maintenance records covering the last two years shall be distributed to the last owner or customer of the respective aircraft or component or shall be stored as specified by the competent authority.

but additional information should also be processed, such as: - - -
3. In order to prevent omissions, every maintenance task or group of tasks should be signed-off. To ensure the task or group of tasks is completed, it should only be signed-off after completion. Work by unauthorised personnel (i.e. temporary staff, trainee,.) should be checked by authorised personnel before they sign-off. The grouping of tasks for the purpose of signing-off should allow critical steps to be clearly identified Note: A sign-off is a statement by the competent person performing or supervising the work, that the task or group of tasks has been correctly performed. A signoff relates to one step in the maintenance process and is therefore different to the release to service of the aircraft. Authorised personnel means personnel formally authorised by the maintenance organisation approved under Part-145 to sign-off tasks. Authorised personnel are not necessarily certifying staff.
4. The maintenance organisation should ensure that when carrying out a modification, repair or maintenance, Critical Design Configuration Control Limitations are not compromised; this will require the development of appropriate procedures where necessary by the maintenance organisation. The maintenance organisation should pay particular attention to possible adverse effects of any wiring change to the aircraft, even a change not specifically associated with the fuel tank system. For example, it should be common practice to identify segregation of fuel gauging system wiring as a Critical Design Configuration Control Limitation. Maintenance organisations can prevent adverse effects associated with wiring changes by standardising maintenance practices through training, rather than by periodic inspection. Training should be provided to end indiscriminate routing and splicing of wire and to provide comprehensive knowledge of critical design features of fuel tank systems that would be controlled by a Critical Design Configuration Control Limitation. EASA guidance is provided for training to maintenance organisation personnel in an Appendix IV to be added to AMC to Part-145. The maintenance of ignition prevention features is necessary for the inherent safety and reliability of an aircrafts fuel tank system. The aircraft cannot be operated indefinitely with the failure of an ignition prevention feature. The failure will have a
AMC 145.A.65 (c)(1) Safety and quality policy, maintenance procedures and quality system.
ED 2007/002/R ED 2010/002/R
direct adverse effect on operational safety. It could prevent the continued safe flight and landing of the aircraft or cause serious or fatal injury to the occupants. The fuel system review required will identify ignition prevention features of the design. The failure of any of these features may not immediately result in an unsafe condition, but it may warrant certain maintenance to support continued airworthiness.

ED 2010/002/R

Signed.. Dated.. Accountable Manager and.. (quote position).. For and on behalf of.. (quote organisations name). ED 2010/002/R NOTE: Where it states (competent authority*) please insert the actual name of the competent authority, for example, EASA, CAA-NL, LBA, DGAC, CAA, etc. Whenever the accountable manager changes, it is important to ensure that the new accountable manager signs the paragraph 9 statement at the earliest opportunity. Failure to carry out this action could invalidate the Part-145 approval. When an organisation is approved against any other Part containing a requirement for an exposition, a supplement covering the differences will suffice to meet the requirements except that the supplement should have an index showing where those parts missing from the supplement are covered.
It is understood that the (competent authority*) will approve this organisation whilst the (competent authority*) is satisfied that the procedures are being followed and work standards maintained. It is further understood that the (competent authority*) reserves the right to suspend, limit or revoke the approval of the organisation if the (competent authority*) has evidence that procedures are not followed or standards not upheld.
145.A.75 Privileges of the organisation
In accordance with the exposition, the organisation shall be entitled to carry out the following tasks:
(a) Maintain any aircraft and/or component for which it is approved at the locations identified in the approval certificate and in the exposition; (b) Arrange for maintenance of any aircraft or component for which it is approved at another organisation that is working under the quality system of the organisation. This refers to work being carried out by an organisation not itself appropriately approved to carry out such maintenance under this Part and is limited to the work scope permitted under 145.A.65(b) procedures. This work scope shall not include a base maintenance check of an aircraft or a complete workshop maintenance check or overhaul of an engine or engine module; (c) Maintain any aircraft or any component for which it is approved at any location subject to the need for such maintenance arising either from the unserviceability of the aircraft or from the necessity of supporting occasional line maintenance, subject to the conditions specified in the exposition; (d) Maintain any aircraft and/or component for which it is approved at a location identified as a line maintenance location capable of supporting minor maintenance and only if the organisation exposition both permits such activity and lists such locations; (e) Issue certificates of release to service in respect of completion of maintenance in accordance with 145.A.50.

145.B.15 Organisations located in several Member States
Where maintenance facilities are located in more than one Member State the investigation and continued oversight of the approval must be carried out in conjunction with the competent authorities from the Member States in whose territory the other maintenance facilities are located.
145.B.17 Acceptable means of compliance
The Agency shall develop acceptable means of compliance that the Member States may use to establish compliance with this Part. When the acceptable means of compliance are complied with, the related requirements of this Part shall be considered as met.
145.B.20 Initial approval
1. Provided the requirements of 145.A.30(a) and (b) are complied with, the competent authority shall formally indicate its acceptance of the personnel, specified in 145.A.30(a) and (b), to the applicant in writing. 2. The competent authority shall verify that the procedures specified in the maintenance organisation exposition comply with Part-145 and verify that the accountable manager signs the commitment statement. 3. The competent authority shall verify that the organisation is in compliance with the requirements of Part-145. 4. A meeting with the accountable manager shall be convened at least once during the investigation for approval to ensure that he/she fully understands the significance of the approval and the reason for signing the exposition commitment of the organisation to compliance with the procedures specified in the exposition. 5. All findings must be confirmed in writing to the organisation. 6. The competent authority shall record all findings, closure actions (actions required to close a finding) and recommendations 7. For initial approval all findings must be corrected before the approval can be issued.
AMC 145.B.20 (1) Initial approval
AMC 145.B.20 (1) Initial approval (*)
1. Formally indicated by the competent authority in writing means that the EASA Form 4 should be used for this activity. With the exception of the accountable manager, an EASA Form 4 should be completed for each person nominated to hold a position as required by 145.A.30(b). 2. Formal indication of acceptance should be by use of the EASA Form 4 or in the case of the Accountable Manager via approval of the Maintenance Organisation Exposition containing the Accountable Managers commitment statement. 3. The competent authority may reject an accountable manager where there is clear evidence that they previously held a senior position in any JAR/Part approved Organisation and abused that position by not complying with the particular JAR/Part requirements.

3. Findings should be recorded on the audit report form with a provisional categorisation as a level 1 or 2. Subsequent to the audit visit that identified the particular findings, the competent authority should review the provisional finding levels, adjusting them if necessary and change the categorisation from provisional to confirmed. 4. All findings should be confirmed in writing to the applicant organisation within 2 weeks of the audit visit.
145.B.25 Issue of approval
1. The competent authority shall formally approve the exposition and issue to the applicant a Form 3 approval certificate, which includes the approval ratings. The competent authority shall only issue a certificate when the organisation is in compliance with Part-145. 2. The competent authority shall indicate the conditions of the approval on the Form 3 approval certificate. 3. The reference number shall be included on the Form 3 approval certificate in a manner specified by the Agency.
AMC 145.B.25 (1) Issue of approval
1. For approvals involving more than one Member State, the approval should be granted in conjunction with the Member State in whose territory the other maintenance facilities are located. For practical reasons it is recommended that the initial approval should be granted on the basis of a joint audit visit by the approving Member State and the Member State in whose territory the facility is located. Audits related to the continuation of the approval should be delegated to the Member State in whose territory the facility is located with the audit form and recommendation submitted to the approving Member State. 2. The approval should be based only upon the organisational capability (including any associated sub-contractors) relative to Part-145 and not limited by reference to EASA/ national type certificated products. For example, if the organisation is capable of maintaining within the limitation of Part-145 the Boeing 737-200 series aircraft the approval schedule should state A1 Boeing 737-200 series and not Boeing 737-2H6 which is a particular airline designator for one of many -200 series.
3. The competent authority should indicate approval of the exposition in writing.
AMC 145.B.25 (2) Issue of approval
The validity of the Part-145 approval should be of unlimited duration.
AMC 145.B.25 (3) Issue of approval
The numeric sequence should be unique to the particular approved maintenance organisation.
145.B.30 Continuation of an approval
The continuation of an approval shall be monitored in accordance with the applicable initial approval process under 145.B.20. In addition: 1. The competent authority shall keep and update a program listing the approved maintenance organisations under its supervision, the dates when audit visits are due and when such visits were carried out. 2. Each organisation must be completely reviewed for compliance with Part-145 at periods not exceeding 24 months. 3. A meeting with the accountable manager shall be convened at least once every 24 months to ensure he/she remains informed of significant issues arising during audits.

The primary purpose of this paragraph is to enable the organisation to remain approved if agreed by the competent authority during negotiations about any of the specified changes. Without this paragraph the approval would automatically be suspended in all cases.
145.B.40 Changes to the Maintenance Organisation Exposition
For any change to the Maintenance Organisation Exposition (MOE): 1. In the case of direct approval of the changes in accordance with point 145.A.70(b), the competent authority shall verify that the procedures specified in the exposition are in compliance with Annex II (Part-145) before formally notifying the approved organisation of the approval. 2. In the case an indirect approval procedure is used for the approval of the changes in accordance with point 145.A.70(c), the competent authority shall ensure (i) that the changes remain minor and (ii) that it has an adequate control over the approval of the changes to ensure they remain in compliance with the requirements of Annex II (Part-145). EU 127/2010
AMC 145.B.40 MOE amendments
1. It is recommended that a simple exposition status sheet is maintained which contains information on when an amendment was received by the competent authority and when it was approved. 2. The competent authority may define some class of amendments to the exposition which may be incorporated without prior authority approval. In this case a procedure should be stated in the amendment section of the MOE. The exposition chapter dealing with scope of work/approval should not be subject to this procedure.
3. The organisation should submit each exposition amendment to the competent authority whether it is an amendment for approval or a delegated approval amendment. Where the amendment requires approval by the competent authority, the competent authority when satisfied, should indicate its approval in writing. Where the amendment has been submitted under the delegated approval procedure the competent authority should acknowledge receipt in writing.

145.B.50 Findings

145.B.45 Revocation, suspension and limitation of approval
The competent authority shall: (b) suspend, revoke or limit an approval pursuant to 145.B.50.
(a) suspend an approval on reasonable grounds in the case of potential safety threat; or

AMC 145.B.50 (b) Findings
1. Where the organisation has not implemented the necessary corrective action within that period it may be appropriate to grant a further period of up to three months, subject to the competent authority notifying the accountable manager. In exceptional circumstances and subject to a realistic action plan being in place, the competent authority may specifically vary the maximum 6 month corrective action period. However, in granting such a change the past performance of the organisation should be considered.

145.B.55 Record-keeping

1. The competent authority shall establish a system of record-keeping with minimum retention criteria that allows adequate traceability of the process to issue, continue, change, suspend or revoke each individual organisation approval. 2. The records shall include as a minimum: (a) the application for an organisation approval, including the continuation thereof. (b) the competent authority continued oversight program including all audit records. (c) the organisation approval certificate including any change thereto. (d) a copy of the audit program listing the dates when audits are due and when audits were carried out. (e) copies of all formal correspondence including Form 4 or equivalent. (f) details of any exemption and enforcement action(s). (g) any other competent authority audit report forms. (h) maintenance organisation expositions. 3. The minimum retention period for the above records shall be four years. 4. The competent authority may elect to use either a paper or computer system or any combination of both subject to appropriate controls.
AMC 145.B.55 Record-keeping
1. The record-keeping system should ensure that all records are accessible whenever needed within a reasonable time. These records should be organized in a consistent way throughout the competent authority (chronological, alphabetical order, etc.). 2. All records containing sensitive data regarding applicants or organisations should be stored in a secure manner with controlled access to ensure confidentiality of this kind of data. 3. All computer hardware used to ensure data backup should be stored in a different location from that containing the working data in an environment that ensures they remain in good condition. When hardware or software changes take place special care should be taken to ensure that all necessary data continues to be accessible at least through the full period specified in 145.B.55.

ED 2009/007/R

A duration of 8 hours for phase 2 is an acceptable compliance.
When the course is provided in a classroom, the instructor should be very familiar with the data in Objectives and Guidelines. To be familiar, an instructor should have attended himself a similar course in a classroom and made additionally some lecture of related subjects. Objectives: The attendant should, after the completion of the training: - have knowledge of the history of events related to fuel tank safety issues and the theoretical and practical elements of the subject, have an overview of the FAA regulations known as SFAR (Special FAR) 88 of the FAA and of JAA Temporary Guidance Leaflet TGL 47, be able to give a detailed description of the concept of fuel tank system ALI (including Critical Design Configuration Control Limitations CDCCL, and using theoretical fundamentals and specific examples; have the capacity to combine and apply the separate elements of knowledge in a logical and comprehensive manner; have knowledge on how the above items affect the aircraft; be able to identify the components or parts or the aircraft subject to FTS from the manufacturers documentation, be able to plan the action or apply a Service Bulletin and an Airworthiness Directive.
Content: Following the guidelines described in paragraph E). Continuation training The organisation should ensure that the continuation training is required in each two years period. The syllabus of the training programme referred to in 3.4 of the Maintenance Organisation Exposition (MOE) should include the additional syllabus for this continuation training. The continuation training may be combined with the phase 2 training in a classroom or at distance. The continuing training should be updated when new instruction are issued which are related to the material, tools, documentation and manufacturers or competent authoritys directives. E) Guidelines for preparing the content of Phase 2 courses. The following guidelines should be taken into consideration when the phase 2 training programme are being established: a) understanding of the background and the concept of fuel tank safety, b) how the mechanics can recognise, interpret and handle the improvements in the instruction for continuing airworthiness that have been made or are being made regarding the fuel tank system maintenance, c) awareness of any hazards especially when working on the fuel system, and when the Flammability Reduction System using nitrogen is installed. ED 2009/007/R Paragraphs a) b) and c) above should be introduced in the training programme addressing the following issues: i) The theoretical background behind the risk of fuel tank safety: the explosions of mixtures of fuel and air, the behaviour of those mixtures in an aviation environment, the effects of temperature and pressure, energy needed for ignition etc, the fire triangle, Explain 2 concepts to prevent explosions:



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