Service difficulty report · Bushing

Difficulty date
May 12, 2003
Submitted
May 27, 2003
Operation
General aviation
Engine
Garrtt TPE33110UA
Part
Bushing
Part number
310170318
Condition
Wrong Part
Location
Engine
Component
310170318
Stage of operation
IN
How discovered
9
Nature of condition
W
Precautionary procedure
K

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

What was found

(CAN) UPON ATTEMPTING TO INSTALL TWO BUSHINGS ON THE TORSION SHAFT FOR THE ENGINE IT WAS NOTICED THAT THE TWO BUSHINGS HAVING THE SAME PART NUMBER HAD A DIFFERENT WALL THICKNESS AND INSIDE DIAMETER. THE SAME PART NUMBER WAS STAMPED ON EACH BUSHING. THE REMAINDER OF THE BUSHINGS WERE CHECKED AND A TOTAL OFTHREE BUSHINGS WERE FOUND WITH THE SAME PROBLEM (TOO THIN OF A WALL). BUSHINGS WERE REMOVED FROM STOCK AND PLACED IN QUARENTINE.