What was found
ENGINE WAS REMOVED FOR MAKING METAL. REMOVED NR 5 BEARING AND FOUND METAL IN BEARING CAVITY. REMOVED NR 5 BEARING FOR INSPECTION AND FOUND METAL SLIVERS UNDER NR 5 BEARING NUT AND CAP LOCK WASHER.
- Difficulty date
- July 2, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N477AL
- Make and model
- Bell 407
- Aircraft serial
- 53203
- Engine
- Allsn 250C47B
- System (JASC)
- 7250 · Turbine Section
- Part
- Seal
- Part number
- 23032328
- Condition
- Failed
- Location
- Nr 5 Bearing
- Part time
- 850 hours
- Component
- 23063354
- 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.