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.