What was found
THE ENGINE WAS REMOVED FOR CHIPS IN THE OIL. THE SOURCE WAS FOUND TO BE THE NR 5 BEARING, PN M250-10106, SN NWL13-0863.
- Difficulty date
- June 8, 2016
- Submitted
- June 8, 2016
- Operation
- General aviation
- Engine
- Allsn 250C20B
- Engine time
- 14,410 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWL130863
- Condition
- Spalled
- Location
- Turbine Section
- Part time
- 1,141 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.