Transportation Department Docket FAA-2020-0857 Proposed Rule

2020-21794: Airworthiness Directives; Pilatus Aircraft Limited Airplanes

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Summary

The FAA proposes to supersede Airworthiness Directive (AD) 2014-25-04, which applies to all Pilatus Aircraft Limited (Pilatus) Models PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC- 6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2- H4, PC-6/C-H2, and PC-6/C1-H2 airplanes. AD 2014-25-04 requires incorporating revised airworthiness limitations into the aircraft maintenance manual (AMM). Since the FAA issued AD 2014-25-04, the FAA has determined that new or more restrictive airworthiness limitations are necessary for the stabilizer trim actuator, fuselage wing fittings, and wing-to-fuselage fittings. This proposed AD would require revising the airworthiness limitation section of the existing maintenance manual or instructions for continued airworthiness to incorporate new airworthiness limitations, and performing an eddy current inspection of the fuselage wing fittings and wing to fuselage fittings. 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.

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