What was found
NR 1 CYLINDER BROKEN, AN EXHAUST VALVE WHICH DESTROYED THE PISTON AND CYLINDER HEAD. ALSO, FOUND NR 1 INTAKE TUBE SEAL PN 77569, TORN AND TWISTED WHICH COULD HAVE CAUSED A LEAN MIXTURE ON THAT CYLINDER.
- Difficulty date
- July 31, 2001
- Submitted
- October 18, 2001
- Operation
- General aviation
- Aircraft
- N1084Z
- Make and model
- Mooney M20J
- Aircraft serial
- 241132
- Engine
- Lyc IO360A1A
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Condition
- Broken
- Location
- Nr 1 Cylinder
- Part time
- 1,964 hours
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.