What was found
DURING ANNUAL 100 HR INSPECTION OF LT ENGINE. MAINTENANCE PERFORMED A DIFFERENTIAL PRESSURE CYLINDER LEAK CHECK, CYLINDER NR 4 FAILED, 0/80 PSI, VISUAL INSPECTION CONFIRMED STUCK EXHAUST VALVE.
- Difficulty date
- March 8, 2016
- Submitted
- September 20, 2016
- Operation
- General aviation
- Aircraft
- N782LU
- Make and model
- Piper PA44180
- Aircraft serial
- 4496372
- Aircraft time
- 589 hours
- Engine
- Lyc O360A1H6
- Engine time
- 589 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Part number
- 05K21104
- Condition
- Stuck
- Location
- Engine
- Part time
- 589 hours
- Component
- Engine · Lyc · O360A1H6
- Component part number
- O360A1H6
- 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.