What was found
UPON INSPECTION OF BEARING (AFT) PTO GEAR FOUND WITH EXCESSIVE GALLING ON ONE BALL BEARING. SUBMITTER STATED POSSIBLE CAUSE FOR BEARING GALLING UNKNOWN.
- Difficulty date
- December 22, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N537AL
- Make and model
- Bell 407
- Aircraft serial
- 53230
- Engine
- Allsn 250C47B
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Bearing
- Part number
- 6889326
- Condition
- Galled
- Location
- Gearbox
- Part time
- 496 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.