What was found
WHILE INSPECTING THE CYLINDER FOR INSTALLATION THE MECHANIC DISCOVERED THAT THE SPARK PLUG BOSS HAD BEEN IMPROPERLY MACHINED. THIS WOULD NOT ALLOW THE SPARK PLUG TO FULLY SEAT.
- Difficulty date
- November 4, 2013
- Submitted
- February 28, 2014
- Operation
- General aviation
- Engine
- Lyc O540J3C5
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder Head
- Part number
- SL36006TWA20P
- Part serial
- 366TWM12629
- Condition
- Mismanufactured
- 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.