What was found
NR 4 ENGINE SHUT DOWN DUE TO NR 2 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED NR 4 ENGINE NR 2 CYLINDER FRONT AND REAR SPARK PLUGS.
- Difficulty date
- August 2, 2003
- Submitted
- August 4, 2003
- Operation
- Air carrier
- Aircraft
- N2907F
- Make and model
- Doug DC6
- Aircraft serial
- 44636
- Aircraft time
- 34,911 hours
- Engine
- Pwa R2800CB3
- Engine time
- 941 hours
- System (JASC)
- 7421 · Spark Plug/Igniter
- Part
- Spark Plug
- Part number
- URHB32E
- Condition
- Cracked
- Location
- Engine
- Part time
- 461 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.