What was found
NR 1 ENGINE FEATHERED DUE TO NR 11 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED BOTH FRONT AND REAR SPARK PLUGS ON NR 11 CYLINDER. CHECKED GOOD.
- Difficulty date
- March 26, 2004
- Submitted
- March 29, 2004
- Operation
- Air carrier
- Aircraft
- N7780B
- Make and model
- Doug DC6A
- Aircraft serial
- 45372
- Aircraft time
- 22,349 hours
- Engine
- Pwa R2800CB3
- Engine time
- 2,306 hours
- System (JASC)
- 7421 · Spark Plug/Igniter
- Part
- Spark Plug
- Part number
- AUBURN283
- Condition
- Shorted
- Location
- Nr 11 Cylinder
- Part time
- 410 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.