SDR 98ZZZX2582

Service difficulty report · Bearing · Bell 407

Difficulty date
July 1, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N567AL
Make and model
Bell 407
Aircraft serial
53246
Engine
Allsn 250C47B
Part
Bearing
Part number
6895007
Condition
Galled
Location
Gearbox
Part time
282 hours
Component
23063393
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 AND INSPECTION OF PARTS, FOUND T/M JOURNAL BEARING WITH EXCESSIVE GALLING ON END OF ROLLERS AND DEEP BANDING DOWN MIDDLE OF ROLLERS. EXCESSIVE GALLING AND BANDING OF T/M JOURNAL BEARING GALLING ON ROLLERS WAS ONLY TO OUTER PART OF ROLLERS AND BANDING WAS LOCATED ONLY IN MIDDLE OF ROLLERS.

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