2020-25738: Airworthiness Directives; Airbus Helicopters
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The FAA proposes to supersede Airworthiness Directive (AD) 2017-17-01, which applies to certain Airbus Helicopters Model AS332L2 and EC225LP helicopters. AD 2017-17-01 requires repetitive inspections of the main rotor blade (MRB) attachment pins. Since issuing AD 2017- 17-01, the FAA has determined that it is necessary to measure the attachment pin chamfer after corrosion removal, that replacement of an attachment pin after four corrosion removals is no longer necessary, and that all Airbus Helicopters Model AS332L2 and EC225LP helicopters are affected by the unsafe condition. This proposed AD would continue to require the repetitive inspections of the MRB attachment pins, and would include a new requirement to repetitively measure the attachment pin chamfer at certain intervals after corrosion removal, as specified in a European Aviation Safety Agency (EASA) AD, which will be incorporated by reference. This proposed AD would also continue to require replacing the attachment pin if there is corrosion pitting. The FAA is 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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