What was found
ENGINE REMOVED DUE TO 1ST AND 2ND STAGE WHEEL RETIREMENT. NR 5 BEARING REMOVED DUE TO PROBABLE SPALLING AT OUTER RACE SPLIT.
- Difficulty date
- October 21, 2015
- Submitted
- October 21, 2015
- Operation
- Air carrier
- Aircraft
- N402PH
- Make and model
- Bell 407
- Aircraft serial
- 53159
- Aircraft time
- 14,519 hours
- Engine
- Allsn 250C47B
- Engine time
- 13,825 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWK120841
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 860 hours
- Stage of operation
- IN
- How discovered
- U
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.