What was found
ENGINE REMOVED 11-17-15 DUE TO TURBINE O/H. NR 5 BEARING EXHIBITED SPALLING AT OUTER RACE SPLIT. SCRAPPED AND REPLACED BEARING.
- Difficulty date
- December 9, 2015
- Submitted
- December 10, 2015
- Operation
- General aviation
- Filed by
- HEER617E
PHI Aviation, LLC - Aircraft
- N742PH
- Make and model
- Bell 407
- Aircraft serial
- 53461
- Aircraft time
- 15,220 hours
- Engine
- Allsn 250C47B
- Engine time
- 5,245 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWE131552
- Condition
- Spalled
- Location
- Engine
- Part time
- 1,317 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.