- Difficulty date
- July 17, 2003
- Submitted
- July 21, 2003
- Operation
- Air carrier
- Aircraft
- N1377K
- Make and model
- Doug DC6A
- Aircraft serial
- 44596
- Aircraft time
- 35,643 hours
- Engine
- Pwa R2800CB3
- Engine time
- 507 hours
- Part
- Cylinder
- Part number
- 356994
- Part serial
- A738WYAY
- Condition
- Failed
- Location
- Nr 2 Engine
- Part time
- 509 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE BACKFIRING & RUNNING ROUGH. REPLACED NR 13 CYLINDER DUE TO EXHAUST VALVE SPRING FAILURE.
More about the Doug DC-6A