A Subsidiary of Textron Inc.
Date May 16, 2002
1 of 4
INTRODUCTION OF NEW HARDENED WEAR
SLEEVE P/N 427-044-123-101.
Model 427 helicopters serial number 56001
through 56040 serial number 58001 through
[Model 427 helicopters serial numbers 56041 and
subsequent and 58003 and subsequent will have
the intent of this bulletin accomplished prior to
At Customer’s Option. Recommended at next
scheduled component inspection of driveshaft
assembly P/N 427-044-100-103.
Field reports indicate that the wear sleeves P/N 427-044-117-101 installed on
forward tail rotor driveshaft assembly P/N 427-044-100-103 tends to exhibit a
premature wear groove.
This bulletin introduces an improved, hardened wear sleeve.
The engineering design aspects of this bulletin are Transport Canada approved.
AN APPROPRIATE ENTRY SHOULD BE MADE IN THE AIRCRAFT LOGBOOK UPON ACCOMPLISHMENT
IF OWNERSHIP OF AIRCRAFT HAS CHANGED PLEASE FORWARD TO NEW OWNER