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Fuel Tank System Safety JAA MAINTENANCE SECTORIAL TEAM PowerPoint PPT Presentation


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Fuel Tank System Safety JAA MAINTENANCE SECTORIAL TEAM. Len Arnot-Perrett Joint Aviation Authorities, United Kingdom Section Leader, Maintenance Requirements & Policy Section. Fuel Tank Safety Implementation. JAA fuel tank system safety policy set out in JAA policy letter INT/POL/25/12

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Fuel Tank System Safety JAA MAINTENANCE SECTORIAL TEAM

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Fuel Tank System Safety JAA MAINTENANCE SECTORIAL TEAM

Len Arnot-Perrett

Joint Aviation Authorities, United Kingdom

Section Leader, Maintenance Requirements & Policy Section

20th Annual JAA/FAA International Conference


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Fuel Tank Safety Implementation

  • JAA fuel tank system safety policy set out in JAA policy letter INT/POL/25/12

  • INT/POL/25/12 harmonised with FAA SFAR 88

  • JAA/FAA policy for implementation of corrective actions to address unsafe conditions and non compliant items: harmonised principles

20th Annual JAA/FAA International Conference


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Fuel Tank Safety Implementation

  • Implementation of corrective actions guidance material drafted

  • Guidance material comprehensive – addresses TC/STC holders as well as operators and maintenance organisations

  • JAA temporary guidance leaflet to be drafted and harmonised with FAA/JAA jointly developed FAA draft

  • Harmonised implementation will facilitate transfer of aircraft between States

20th Annual JAA/FAA International Conference


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Fuel Tank Safety Implementation

  • Corrective actions required to address unsafe conditions will be AD

  • Corrective actions identified to address non-compliance will be dealt with through existing processes

  • Possible revisions to

    • Maintenance Manuals – aircraft/component (MM/CMM)

    • Wiring Practices

    • Maintenance Procedures

    • Fault Isolation Manuals

    • MRB report

    • MPD

20th Annual JAA/FAA International Conference


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Fuel Tank Safety Implementation

  • Operator responsible for in-service compliance

    • Scheduled/un-scheduled maintenance

    • Modification

    • Operation

    • Component Maintenance

  • JAR 145.35 continuation training programme will need to address fuel tank safety topics

20th Annual JAA/FAA International Conference


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Fuel Tank Safety Implementation

  • In-service aircraft fleet survey provides indications that inspection standards and maintenance standards do not address fuel tank safety issues

    • Loose articles in tanks

    • Lack of preparation for inspection

    • Lack of awareness

    • Maintenance induced damage

  • Survey of one representative fleet showed that 16% of mandatory occurrence reports for ATA 28/73 had maintenance error contributing factors

20th Annual JAA/FAA International Conference


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Fuel Tank Safety Implementation

  • Corrective actions will require additional maintenance and modification

  • Fuel tank system intrusions should be kept to a minimum consistent with maintaining certification standard

  • Future design should take into account, issues associated with maintainability

20th Annual JAA/FAA International Conference


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Fuel Tank Safety Implementation

  • JAA policy will require each JAA member state intervention – prior to EASA each State will need to raise AD for corrective actions

  • Harmonisation of implementation time frames will require co-ordination

20th Annual JAA/FAA International Conference


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