What was found
INTERMITTENT "HUNG VALVE CONDITION" ON THE EXHAUST SIDE OF (2) FACTORY NEW CYLINDERS P/N 05K21104 WITH 750 HRS TSN. CONDITION CAUSING ROUGH RUNNING ENGINE ON OCCASION.
- Difficulty date
- April 9, 2019
- Submitted
- April 9, 2019
- Operation
- General aviation
- Aircraft
- N6042Z
- Make and model
- Cessna 172S
- Engine
- Lyc IO360L2A
- Engine time
- 750 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- 05K21104
- Condition
- Unknown
- Location
- Engine
- Part time
- 750 hours
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.