What was found
ENGINE REMOVED 8-18-15 DUE TO TURBINE O/H AND 2000 HR INSPECTION. NR 5 BEARING REPLACED DUE TO PROBABILITY OF SPALLING AT OUTER RACE SPLIT. INSTALLED NEW NR 5 BEARING. PART WILL BE SENT TO MFG FOR FURTHER INSPECTION.
- Difficulty date
- September 11, 2015
- Submitted
- September 11, 2015
- Operation
- General aviation
- Filed by
- HEER617E
PHI Aviation, LLC - Aircraft
- N408PH
- Make and model
- Bell 407
- Aircraft serial
- 53228
- Aircraft time
- 15,103 hours
- Engine
- Allsn 250C47B
- Engine time
- 6,238 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWE131498
- Condition
- Spalled
- Location
- Engine
- Part time
- 1,987 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.