What was found
TURBINE REMOVED 10-9-15 FOR HOT END INSPECTION DUE TO ENGINE HAIR NET INGESTION. REMOVED NR 5 BEARING DUE TO SPALLING OUTER RACE AT SPLIT. SCRAPPED PART AND REPLACED WITH NEW.
- Difficulty date
- December 7, 2015
- Submitted
- December 7, 2015
- Operation
- General aviation
- Aircraft
- N442PH
- Make and model
- Bell 407
- Aircraft serial
- 54089
- Aircraft time
- 5,441 hours
- Engine
- Allsn 250C47B
- Engine time
- 9,114 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWG140287
- Condition
- Spalled
- Location
- Turbine
- Part time
- 682 hours
- Component
- Turbine
- Component part number
- M25010557
- 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.