ANO-145-AWRG-1.1 dated 15-01-2013 - Civil Aviation Authority

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ANO 145-APPROVED MAINTENANCE ORGANISATIONSChapter 2: Acceptable Means of Compliancestandards, modifications, repairs, airworthiness directives, life limitations and conditionof the aircraft component plus information on where, when and why the aircraft wasgrounded.AMC 145.A.55(c) Maintenance RecordsAssociated maintenance data is specific information such as repair and modification data.This does not necessarily require the retention of all Aircraft Maintenance Manual,Component Maintenance Manual, IPC etc issued by the TC holder or STC holder.Maintenance records should refer to the revision status of the data used.AMC 145.A.60 (b) Occurrence Reporting1. The aim of occurrence reporting is to identify the factors contributing to incidents, andto make the system resistant to similar errors.2. An occurrence reporting system should enable and encourage free and frank reportingof any (potentially) safety related occurrence. This will be facilitated by theestablishment of a just culture. An organisation should ensure that personnel are notinappropriately punished for reporting or co-operating with occurrence investigations.3. The internal reporting process should be closed-loop, ensuring that actions are takeninternally to address safety hazards.4. Feedback to reportees, both on an individual and more general basis, is important toensure their continued support for the scheme.AMC 145.A.65 (a) Safety and Quality Policy, Maintenance Procedures and QualitySystemThe safety and quality policy should as a minimum include a statement committing theorganisation to:− Recognise safety as a prime consideration at all times− Apply Human factors principles− Encourage personnel to report maintenance related errors/incidents− Recognise that compliance with procedures, quality standards, safety standards andregulations is the duty of all personnel− Recognise the need for all personnel to cooperate with the quality auditors.AMC 145.A.65 (b) Safety and Quality Policy, Maintenance Procedures and QualitySystem1. Maintenance procedures should be held current such that they reflect best practicewithin the organisation. It is the responsibility of all organisation’s employees to reportany differences via their organisation’s internal occurrence reporting mechanisms.2. All procedures, and changes to those procedures, should be verified and validatedbefore use where practicable.15/01/2013 2-28 ANO-145-AWRG-1.1
ANO 145-APPROVED MAINTENANCE ORGANISATIONSChapter 2: Acceptable Means of Compliance3. All technical procedures should be designed and presented in accordance with goodhuman factors principles.AMC 145.A.65 (b) (2) Safety and Quality Policy, Maintenance Procedures And QualitySystemSpecialised services include any specialised activity, such as, but not limited to nondestructivetesting requiring particular skills and/or qualification. ANO 145.A.30 (f) coversthe qualification of personnel but, in addition, there is a need to establish maintenanceprocedures that cover the control of any specialised process.AMC 145.A.65 (b) (3) Safety and Quality Policy, Maintenance Procedures And QualitySystem1. The purpose of this procedure is to minimise the rare possibility of an error beingrepeated whereby the identical aircraft components are not reassembled therebycompromising more than one system. One example is the remote possibility of failureto reinstall engine gearbox access covers or oil filler caps on all engines of a multienginedaircraft resulting in major oil loss from all engines.Another example is the case of removal and refitment of oil filler caps, which shouldrequire a re-inspection of all oil filler caps after the last oil filler cap has supposedlybeen refitted.2. Procedures should be established to detect and rectify maintenance errors that could,as minimum, result in a failure, malfunction, or defect endangering the safe operation ofthe aircraft if not performed properly. The procedure should identify the method forcapturing errors, and the maintenance tasks or processes concerned.In order to determine the work items to be considered, the following maintenance tasksshould primarily be reviewed to assess their impact on safety:−−Installation, rigging and adjustments of flight controls,Installation of aircraft engines, propellers and rotors,− Overhaul, calibration or rigging of components such as engines, propellers,transmissions and gearboxes, but additional information should also be processed,such as:−Previous experiences of maintenance errors, depending on the consequence ofthe failure,− Information arising from the ‘occurrence reporting system’ required by ANO145.A.60,−PCAA requirements for error capturing, if applicable.3. In order to prevent omissions, every maintenance task or group of tasks should besigned-off. To ensure the task or group of tasks is completed, it should only be signedoffafter completion. Work by unauthorised personnel (i.e. temporary staff, trainee,…)15/01/2013 2-29 ANO-145-AWRG-1.1
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ANO-145-AWRG-1.1 dated 15-01-2013 - Civil Aviation Authority

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