Transportation Department Docket FAA-2016-3698 Proposed Rule

2016-03466: Airworthiness Directives; The Boeing Company Airplanes

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Summary

We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 767-200 and -300 series airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) indicating that the aft pressure bulkhead at a certain area is subject to widespread fatigue damage (WFD). This proposed AD would require replacing the aft pressure bulkhead with a new, improved aft pressure bulkhead, and doing related investigative and corrective actions if necessary. We are proposing this AD to prevent fatigue cracking in the radial web lap splices of the aft pressure bulkhead. Such cracking could result in rapid decompression and consequent reduced 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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