SDR 96ZZZX2218

Service difficulty report · Bearing · Skrsky S76A

Difficulty date
March 7, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N768AL
Make and model
Skrsky S76A
Aircraft serial
760031
Engine
Allsn 250C30S
Part
Bearing
Part number
6889326
Condition
Galled
Location
Gearbox
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

UPON DISASSEMBLY OF GEARBOX, CLEANED AND INSPECTED PARTS AS REQUIRED. FOUND EXCESSIVE GALLING ON PTO AFT, BEARING INNER RACE. EXCESSIVE GALLING, BEARING INNER RACE, POSSIBLY DUE TO BEARING CAGE OUT-OF-ROUND CAUSING TIGHT FIT BETWEEN INNER AND OUTER RACE AND BALLS.