What was found
DURING TAXI FOR TAKEOFF, PILOT REPORTED ENGINE RUNNING ROUGH. RIGHT ENGINE MANIFOLD PRESSURE HIGHER THAN NORMAL. COMPRESSION CHECK FOUND NR 1 CYLINDER LOW, 10/80. DISASSEMBLY OF CYLINDER FOUND LOOSE EXHAUST VALVE SEAT.
- Difficulty date
- May 24, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N493SC
- Make and model
- Piper PA31350
- Aircraft serial
- 317652048
- Engine
- Lyc LTIO540J2BD
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Valve Seat
- Part number
- LYC16T19468
- Condition
- Loose
- Location
- Rt Eng Exhaust
- Part time
- 1,585 hours
- Component
- 05K21108CKP
- Stage of operation
- TX
- Nature of condition
- E, R
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.