SDR CA150504013

Service difficulty report · Bearing

Difficulty date: May 4, 2015
Submitted: August 5, 2015
Operation: General aviation
Engine: Ge CT581402
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Bearing
Condition: Wrong Part
Location: Pinion Gear
Component: Accessory Gb · Ge
Component part number: 5001T90G02
Stage of operation: NR
How discovered: 9
Nature of condition: W
Precautionary procedure: O

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

What was found

(CAN) 6 INCORRECT PN BEARINGS WERE INSTALLED IN THE ACCESSORY GEARBOX ON SEVERAL GEARS. THE CORRECT PN BEARINGS ARE EITHER 4001T99P02, 4001T99P03, AND 4001T99P05. THE BEARINGS DID NOT CONFORM TO MFG SPECS ALTHOUGH THEY HAD THE CORRECT DIMENSIONS, THEY DID NOT APPEAR CORRECT, DIFFERENT BEARING CAGES, AND DID NOT HAVE THE REQUIRED MFG MARKINGS ON THE BEARINGS.