What was found
UPON INSTALLING NEW SPARK PLUGS, THE ENGINE RAN ROUGH. WHEN INSPECTING THE SPARK PLUGS, THREE WERE FOUND MILLED IMPROPERLY AND SMALL SLIVERS OF METAL SHORTING THE CENTER ELECTRODE.
- Difficulty date
- December 10, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N4667Q
- Make and model
- Cessna 210L
- Aircraft serial
- 21059567
- Engine
- Cont IO520L
- System (JASC)
- 7421 · Spark Plug/Igniter
- Part
- Spark Plug
- Part number
- RHB32E
- Condition
- Shorted
- Location
- Electrode
- Component
- Champion
- Stage of operation
- IN
- Nature of condition
- E, R
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.