Summary
The FAA is adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopters. This AD was prompted by seven incidents of fatigue cracks in the horizontal stabilizer root fitting FWD (forward root fitting). This AD requires establishing the life limit of certain part-numbered forward root fittings, establishing the life limit of certain part-numbered stabilizer strut fittings, repetitively inspecting certain parts, and depending on the inspection results, removing parts from service. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2020-0792
Document Number
2020-28385
Type
Rule
Publication Date
December 28, 2020
Effective Date
February 1, 2021
Affected Manufacturer
Sikorsky Aircraft Corporation
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2020-0792
Topics
Official Documents
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