What was found
ENGINE REMOVED 12-16-14 DUE TO SMOKING ON SHUTDOWN. TURBINE NR 5 BEARING REMOVED DUE TO SPALLING AT OUTER RACE SPLIT. INSTALLED NEW NR 5 BEARING. PART WILL BE RETURNED TO MFG FOR FURTHER EVALUATION.
- Difficulty date
- February 11, 2015
- Submitted
- February 12, 2015
- Operation
- General aviation
- Filed by
- HEER617E
PHI Aviation, LLC - Aircraft
- N498PH
- Make and model
- Bell 407
- Aircraft serial
- 53399
- Aircraft time
- 17,227 hours
- Engine
- Allsn 250C47B
- Engine time
- 12,644 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWE141207
- Condition
- Spalled
- Location
- Turbine
- Part time
- 79 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.