What was found
TURBINE REMOVED FOR OVERHAUL 10-16-14. REMOVED NR 5 BEARING DUE TO PROBABLE SPALLING ON OUTER RACE AT SPLIT. PART WILL BE RETURNED TO MFG FOR FURTHER EVALUATION.
- Difficulty date
- October 29, 2014
- Submitted
- October 29, 2014
- Operation
- General aviation
- Aircraft
- N430PH
- Make and model
- Bell 407
- Aircraft serial
- 53870
- Aircraft time
- 6,267 hours
- Engine
- Allsn 250C47B
- Engine time
- 7,005 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWK110680
- Condition
- Unknown
- Location
- Engine
- Part time
- 1,974 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.