What was found
AFTER EVALUATING CYINDER AND FAILED INTAKE VALVE, IT IS DETERMINED, VALVE FAILED DUE TO "BAD METAL". THE EVIDENCE DOES NOT SUPPORT FOREIGN OBJECT DAMAGE, EXCESSIVE HEAT OR OVERSPEED.
- Difficulty date
- January 19, 2012
- Submitted
- April 20, 2012
- Operation
- General aviation
- Engine
- Lyc O235L2C
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Intake Valve
- Part number
- LW11901
- Condition
- Mismanufactured
- Location
- Engine Cylinder
- Part time
- 182 hours
- Component
- Cylinder Assy · Lyc
- Component part number
- 05K23040
- 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.