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Airworthiness Directive

AD 99-03-05: Textron Lycoming Model O-540-F1B5 Reciprocating Engines

Airworthiness Directives; Textron Lycoming Model O-540-F1B5 Reciprocating Engines

Effective
Feb 18, 1999
Published
Feb 3, 1999
Registered aircraft
299

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.

Engines

  • LYCOMING O-540-F1B5
  • Certain serial numbers: L-24545-40A; L-24628-40A; L-24766-40A; L-24772-40A; L-25050-40A; L-25052-40A; …

Applicability

From the AD text
Textron Lycoming Model O-540-F1B5 reciprocating engines, with the following Textron Lycoming Engine Serial Numbers, installed on but not limited to Robinson Helicopters Co. Model R-44 rotorcraft. L-24545-40A L-24628-40A L-24766-40A L-24772-40A L-25050-40A L-25052-40A L-25053-40A L-25054-40A L-25063-40A L-25064-40A L-25065-40A L-25066-40A L-25067-40A L-25068-40A L-25069-40A L-25070-40A L-25071-40A L-25072-40A L-25073-40A L-25074-40A L-25075-40A L-25076-40A L-25077-40A L-25078-40A L-25080-40A L-25081-40A L-25083-40A L-25084-40A L-25085-40A L-25086-40A L-25087-40A L-25088-40A L-25089-40A L-25090-40A L-25091-40A L-25092-40A L-25093-40A L-25094-40A L-25095-40A L-25096-40A L-25097-40A L-25098-40A L-25099-40A L-25100-40A L-25101-40A L-25102-40A L-25103-40A L-25104-40A L-25105-40A L-25106-40A L-25116-40A L-25117-40A L-25118-40A L-25119-40A L-25120-40A L-25121-40A L-25122-40A L-25123-40A L-25124-40A L-25125-40A L-25126-40A L-25127-40A L-25128-40A L-25129-40A L-25130-40A L-25131-40A L-25132-40A L-25133-40A L-25134-40A L-25135-40A L-25136-40A L-25137-40A L-25138-40A L-25139-40A L-25140-40A L-25141-40A L-25142-40A L-25143-40A L-25144-40A L-25145-40A L-25146-40A L-25149-40A L-25150-40A…

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