AD NUMBER: 2004-15-21
MANUFACTURER: Agusta
SUBJECT: Airworthiness Directive 2004-15-21
SUMMARY: This amendment adopts a new airworthiness
directive (AD) for Agusta S.p.A. (Agusta) Model A109K2 helicopters.
This action requires dye-penetrant inspecting the tail rotor
trunnion (trunnion) assembly for a crack at specified intervals,
replacing any cracked trunnion with an airworthy trunnion, and
reporting any failed trunnion.
AD NUMBER: 2004-15-22
MANUFACTURER: Sikorsky
SUBJECT: Airworthiness Directive 2004-15-22
SUMMARY: This amendment adopts a new airworthiness
directive (AD) for the specified Sikorsky Aircraft Corporation
(Sikorsky) model helicopters that requires installing a Number 5
bearing chip detector in each engine, installing an on-board chip
detector annunciation system, and revising the Rotorcraft Flight
Manual (RFM) to add procedures for crew response to an on-board
chip detect or annunciation.
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