Transportation Department Docket FAA-2016-9055 Proposed Rule

2016-21166: Airworthiness Directives; Airbus Airplanes

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Summary

We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A300 B4-600R series airplanes, Model A300 C4-605R Variant F airplanes, and Model A300 F4-600R series airplanes. This proposed AD was prompted by the results of a full stress analysis of the lower area of a certain frame that revealed a crack could occur in the forward fitting lower radius of a certain frame after a certain number of flight cycles. This proposed AD would require an inspection of the lower area of a certain frame radius for cracking, and corrective action if necessary. We are proposing this AD to detect and correct cracking in the forward fitting lower radius of a certain frame. Such cracking could reduce the structural integrity of the fuselage.

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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