What was found
NUMBER ONE CYLINDER FAILED DIFFERENTIAL COMPRESSION CHECK DURING ROUTINE INSPECTION. FOUND EXCESSIVE LEAKAGE AT EXHAUST VALVE. EXHAUST VALVE SHOWED DISCOLORATION, POSSIBLY FROM OVERHEATING.
- Difficulty date
- August 13, 2018
- Submitted
- August 14, 2018
- Operation
- General aviation
- Aircraft
- N44426
- Make and model
- Piper PA28161
- Aircraft serial
- 2842396
- Aircraft time
- 309 hours
- Engine
- Lyc O320D3G
- Engine time
- 309 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- LW12416
- Part serial
- 120006
- Condition
- Out Of Tolerance
- Location
- Nr 1
- Part time
- 309 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.