Airworthiness directives › 2023-09-07
AD 2023-09-07 Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters
Models named: S-92A. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Sikorsky Aircraft Corporation Model S-92A helicopters, certificated in any category, with a main rotor stationary swashplate assembly (swashplate assembly) part number (P/N) 92104-15011-042 or P/N 92104-15011-043 installed.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For the purposes of this AD, a “suspected crack” is a nick, scratch, or crack in the paint or primer that includes observable metallic base material.
Unsafe condition
This AD was prompted by the discovery of a crack on the swashplate assembly inner ring. The FAA is issuing this AD to detect cracks that could result in fretting wear on the shoulder that supports the clamp-up of the uniball outer race. The unsafe condition, if not addressed, could result in failure of the swashplate assembly and subsequent loss of control of the helicopter.
Affected ADs
This AD replaces AD 2022-02-01, Amendment 39-21898 (87 FR 2316, January 14, 2022) (AD 2022-02-01).
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1