What was found
SPARK PLUGS ARE SHOWING CRACKS ON CENTER ELECTRODE NEAR CERAMIC. ONE OF EXAMPLES HAS A CRACK SO SEVERE THAT IT IS ALMOST TO BREAK OFF.
- Difficulty date
- February 16, 2017
- Submitted
- February 16, 2017
- Operation
- General aviation
- Engine
- Lyc IO360LYC*
- System (JASC)
- 7421 · Spark Plug/Igniter
- Part
- Spark Plug
- Part number
- UREM38E
- Part serial
- N
- Condition
- Cracked
- Location
- Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.