What was found
NR 1 PRECAUTIONARY ENGINE SHUT DOWN DUE TO NR 16 CYLINDER DOUBLE SHORTED SECONDARY. REMOVED AND REPLACED NR 16 CYLINDER FRONT AND REAR SPARK PLUGS. CHECKED GOOD.
- Difficulty date
- October 9, 2003
- Submitted
- October 10, 2003
- Operation
- Air carrier
- Aircraft
- N7780B
- Make and model
- Doug DC6A
- Aircraft serial
- 45372
- Aircraft time
- 22,120 hours
- Engine
- Pwa R2800CB3
- Engine time
- 2,077 hours
- System (JASC)
- 7421 · Spark Plug/Igniter
- Part
- Spark Plug
- Part number
- URHB32E
- Condition
- Cracked
- Location
- Nr 16 Cylinder
- Part time
- 181 hours
- Stage of operation
- CL
- 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.