What was found
ENGINE REMOVED 8-7-15, DUE TO METAL IN OIL. NR 5 BEARING REMOVED DUE TO PROBABLE SPALLING ON OUTER RACE SPLIT. RETURNED TO MFG FOR FURTHER EVALUATION.
- Difficulty date
- August 19, 2015
- Submitted
- August 19, 2015
- Operation
- General aviation
- Filed by
- HEER617E
PHI Aviation, LLC - Aircraft
- N740PH
- Make and model
- Bell 407
- Aircraft serial
- 53435
- Aircraft time
- 15,558 hours
- Engine
- Allsn 250C47B
- Engine time
- 2,790 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWC140252
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 1,083 hours
- Component
- Turbine
- Component part number
- 23063354
- 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.