2017-16569: Airworthiness Directives; Airbus Airplanes
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We propose to supersede Airworthiness Directive (AD) 2016-02- 01, which applies to certain Airbus Model A320-211, -212, and -231 airplanes. AD 2016-02-01 requires repetitive inspections to detect cracks of the pressurized floor fittings at a certain frame, and renewal of the zone protective finish or replacement of fittings with new fittings if necessary. AD 2016-02-01 also provides an optional modification that is terminating action for the repetitive inspections. Since we issued AD 2016-02-01, the manufacturer conducted an additional fatigue analysis of cracking of the pressurized floor fittings and determined that the optional modification should be a required action. This proposed AD would retain the requirements of AD 2016-02-01, and would require accomplishment of the modification. This proposed AD is intended to complete certain mandated programs intended to support the airplane reaching its limit of validity (LOV) of the engineering data that support the established structural maintenance program. We are proposing this AD to address the unsafe condition on these products.
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.
Rulemaking docket
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