Service difficulty report · Bearing · Swrngn SA226TC

Difficulty date
June 16, 2004
Submitted
December 3, 2004
Operation
General aviation
Make and model
Swrngn SA226TC
Aircraft time
33,651 hours
Engine
Garrtt TPE33110UA
Part
Bearing
Part number
310117017
Condition
Making Metal
Location
Engine
Stage of operation
IN
How discovered
9
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

AN IMMEDIATE ENGINE INSPECTION WAS REQUESTED BY WEAR CHECK DUE TO MAJOR SILVER CONTENT IN THE OIL SAMPLE. UPON INSPECTION OF THE ENGINE GEAR CASE THE HIGH SPEED PINION BEARING AND CAGE WERE FOUND TO HAVE THE SILVER COATING FLAKING OFF. THIS PROBLEM IS IDENTICAL TO SDR20040611003. ENGINE HAS BEEN REMOVED FROM THE AIRCRAFT FOR REPAIRS. PICTURES: 019 HOLE IN OUTER RACE.020 ROLLERS SCRATCHED. 021 SILVER COMING OFF CAGE .022 SILVER COMING OFF CAGE.