What was found
ENGINE REMOVED 3-5-16 DUE TO IMPELLER RETIREMENT. NR 5 BEARING EXHIBITS SPALLING AT OUTER RACE SPLIT. REPLACED NR 5 BEARING.
- Difficulty date
- April 6, 2016
- Submitted
- April 8, 2016
- Operation
- General aviation
- Aircraft
- N496PH
- Make and model
- Bell 407
- Aircraft serial
- 53398
- Aircraft time
- 16,921 hours
- Engine
- Allsn 250C47B
- Engine time
- 8,831 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWC150522
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 936 hours
- 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.