What was found
COMPRESSION ON NR 4 CYLINDER DETERIORATED TO AN OUT OF LIMIT CONDITION OVER A PERIOD OF 150 HOURS. A STICKING EXHAUST VALVE WAS DETERMINED TO BE THE ROOT CAUSE.
- Difficulty date
- September 14, 2016
- Submitted
- September 14, 2016
- Operation
- General aviation
- Aircraft
- N1306M
- Make and model
- Cessna 172S
- Aircraft serial
- 172S10336
- Aircraft time
- 4,494 hours
- Engine
- Lyc IO360L2A
- Engine time
- 4,747 hours
- Propeller
- Mcauly 1A170E
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Part number
- 17B23936
- Condition
- Sticking
- Location
- Engine
- Part time
- 295 hours
- Component
- Cylinder · Lyc
- Component part number
- 05K21104
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.