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Airworthiness Directive

AD 2015-26-10: Sikorsky Aircraft Corporation Helicopters

Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

Effective
Feb 9, 2016
Published
Jan 5, 2016
Registered aircraft
131

Models this AD may apply to

AI-extracted — verify against original

Matched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.

Aircraft

  • Only with: Main gearbox P/N 76351-09000 series, 76351-09500 series, or 76351-09600 series installed that has been repaired in accordance with Sikorsky ORI No. 76350-065 (original or Revision A).
  • Only with: Main gearbox P/N 76351-09000 series, 76351-09500 series, or 76351-09600 series installed that has been repaired in accordance with Sikorsky ORI No. 76350-065 (original or Revision A).

Applicability

From the AD text
This AD applies to Sikorsky Model S-76A, S-76B, and S-76C helicopters with a main gearbox (MGB) part number (P/N) 76351-09000 series, 76351-09500 series, and 76351-09600 series installed that has been repaired in accordance with Sikorsky Overhaul and Repair Instruction (ORI) No. 76350-065, dated November 12, 1982 (ORI 76350-065), or ORI No. 76350-065, Revision A, dated September 21, 1984 (ORI 76350-065A), certificated in any category.

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