SDR 97ZZZX4039

Service difficulty report · Drive Bushing · Cessna R172E

Difficulty date
August 18, 1997
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N49885
Make and model
Cessna R172E
Aircraft serial
R1720156
Part
Drive Bushing
Part number
626543
Condition
Distorted
Location
Alternator
Part time
480 hours
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

IN RESPONSE TO TCM SB 95-31 (ALT DRIVE), A CHECK OF WEAR HAS BEEN KEPT SINCE NEW. AT ZERO TIME, RADIAL TRAVEL OF ALTERNATOR FAN WAS ZERO TO .1250 INCH. AT 200 HOURS, FAN TRAVEL WAS .25 INCH TO .3750 INCH. AT 480 HOURS SINCE NEW, THE FAN TRAVEL WAS .75 INCH TO 1 INCH. BUSHINGS WERE DISTORTED, BUT NOT APPARENTLY READY TO FAIL.

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