What was found
ENGINE REMOVED FROM AIRCRAFT FOR CHIP LIGHT. UPON INSPECTION OF PARTS, FOUND EXCESSIVE GALLING ON T/M JOURNAL INNER RACE AND ROLLERS. EXCESSIVE GALLING ON T/M JOURNAL BEARIANG INNER RACE AND ROLLERS.
- Difficulty date
- July 13, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N437AL
- Make and model
- Bell 407
- Aircraft serial
- 53141
- Engine
- Allsn 250C47B
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Bearing
- Part number
- 6895007
- Condition
- Galled
- Location
- Aft Side Of Grbx
- Part time
- 1,384 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.