What was found
ENGINE REMOVED 2-19-16, DUE TO TURBINE OVERHAUL. NR 5 BEARING EXHIBITED SPALLING AT OUTER RACE SPLIT. NEW NR 5 BEARING INSTALLED.
- Difficulty date
- March 10, 2016
- Submitted
- March 10, 2016
- Operation
- General aviation
- Aircraft
- N450PH
- Make and model
- Bell 407
- Aircraft serial
- 54125
- Aircraft time
- 700 hours
- Engine
- Allsn 250C47B
- Engine time
- 15,981 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWB120815
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 599 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.