What was found
(AUS) NR 1 CYLINDER UPPER SPARK PLUG FAILED DUE TO CRACKED CERAMIC INSULATOR. NR 1 CYLINDER LOWER SPARK PLUG CONTAMINATED WITH DEBRIS FROM FAILED UPPER SPARK PLUG.
- Difficulty date
- August 7, 2003
- Submitted
- September 4, 2003
- Operation
- General aviation
- Make and model
- Mooney M20J
- Engine
- Lyc IO360A3B6
- Propeller
- Mcauly B2D34C214
- System (JASC)
- 7421 · Spark Plug/Igniter
- Part
- Spark Plug
- Part number
- RHM38E
- Condition
- Cracked
- Location
- Nr 1 Cylinder
- Part time
- 120 cycles
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.