What was found
T/M JOURNAL AND INNER RACE FOUND EXCESSIVE GALLING, CAUSING METAL CONTAMINATION.
- Difficulty date
- May 28, 2002
- Submitted
- June 10, 2002
- Operation
- General aviation
- Aircraft
- N577AL
- Make and model
- Bell 407
- Aircraft serial
- 53247
- Aircraft time
- 4,769 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Bearing
- Part number
- 6895007
- Part serial
- JJ16688
- Condition
- Galled
- Location
- Gearbox
- Part time
- 683 hours
- Component
- Gearbox · 23063393
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.