- Difficulty date
- December 11, 2002
- Submitted
- December 30, 2002
- Operation
- Air carrier
- Aircraft
- N5031U
- Make and model
- Bolkms BO105S
- Aircraft serial
- S678
- Aircraft time
- 7,665 hours
- Engine
- Allsn 250C30
- Part
- Check Valve
- Part number
- 95704
- Part serial
- 22687
- Condition
- Failed
- Location
- Engine
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE SMOKING ON SHUTDOWN. SCRAPPED CHECK VALVE.