- Difficulty date
- April 19, 2015
- Submitted
- April 19, 2015
- Operation
- General aviation
- Make and model
- Bell 407
- Aircraft serial
- 53749
- Aircraft time
- 8,425 hours
- Engine
- Allsn 250C47B
- Engine time
- 2,125 hours
- Part
- Bearing
- Part number
- 6889326
- Part serial
- MP006903
- Condition
- Spalled
- Location
- Gearbox
- Part time
- 2,125 hours
- Component
- Gearbox
- Component part number
- 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.
What was found
ENGINE REMOVED 4-9-15 DUE TO METAL IN OIL. PTO BALL BEARING EXHIBITS SPALLING ON BALLS. REPLACED PTO BALL BEARING.
More about the Bell 407