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Airworthiness Directive

AD 2020-11-07: MD Helicopter Inc., Helicopters

Airworthiness Directives; MD Helicopter Inc., Helicopters

Effective
Jun 30, 2020
Published
May 26, 2020
Registered aircraft
0

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

  • Md Helicopter INC 369H
  • Serial numbers per MD Helicopters Service Bulletin No. SB369D-223, SB369E-122, SB369F-110, SB369H-259, SB500N-060, or SB600N-073, paragraph 1.B. (bolt serial numbers). Only with: Main rotor hub lead-lag bolt P/N 369D21220 with a serial number listed in the applicable MD Helicopters service bulletin installed.
  • Only with: Main rotor hub lead-lag bolt P/N 369D21220 with a serial number listed in the applicable MD Helicopters service bulletin installed.

Applicability

From the AD text
This AD applies to MDHI Model 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters, certificated in any category, with a main rotor (M/R) hub lead-lag bolt (bolt) part number (P/N) 369D21220 with a serial number (S/N) listed in paragraph 1.B. of MD Helicopters Service Bulletin No. SB369D-223, SB369E-122, SB369F-110, SB369H-259, SB500N-060, or SB600N-073, each dated April 19, 2019, installed.

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