What was found
FEATHERED NR 4 ENGINE DUE TO 200 RPM, 2 MANIFOLD, AND 30 BMEP LOSSES. COMPRESSION CHECK OK, BORESCOPED NR 16 NO DEFECTS, CHECKED OIL SCREENS, NOMETAL FOUND. REPLACED ALL SPARK PLUGS, GROUND RUNUP SATISFACTORY.
- Difficulty date
- February 15, 2001
- Submitted
- February 20, 2001
- Operation
- Air carrier
- Aircraft
- N43872
- Make and model
- Doug DC6A
- Aircraft serial
- 533294
- Aircraft time
- 32,155 hours
- Engine
- Pwa R2800CB3
- Engine time
- 2,216 hours
- System (JASC)
- 7421 · Spark Plug/Igniter
- Part
- Spark Plug
- Part number
- RHB32E
- Condition
- Unserviceable
- Location
- Nr 4 Engine
- Stage of operation
- TX
- 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.