Transportation Department Docket FAA-2016-4220 Proposed Rule

2016-04932: Airworthiness Directives; BAE Systems (Operations) Limited Airplanes

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Summary

We propose to supersede Airworthiness Directive (AD) 2011-24- 06, for all BAE Systems (Operations) Limited Model Avro 146-RJ series airplanes. AD 2011-24-06 currently requires revising the maintenance program to incorporate life limits for certain items, adding new and more restrictive inspections to detect fatigue cracking in certain structures, and adding fuel system critical design configuration control limitations (CDCCLs) to prevent ignition sources in the fuel tanks. AD 2011-24-06 also currently requires modifying the main fittings of the main landing gear (MLG) and revising the maintenance program to incorporate new life limits on MLG up-locks and door up- locks and other MLG components. Since we issued AD 2011-24-06, we have determined that new or revised structural inspection requirements are necessary. This proposed AD would require revising the maintenance or inspection program, as applicable, to incorporate new or revised structural inspection requirements. We are proposing this AD to detect and correct fatigue cracking of certain structural elements, which could adversely affect the structural integrity of the airplane.

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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