What was found
(AUS) EXHAUST VALVES ON ALL FOUR CYLINDER BURNED. CAUSED BY FAULTY SWAGING ON ENGINE INDUCTION PIPES WHICH ALLOWED LEAN MIXTURE TO CYLINDERS.
- Difficulty date
- October 30, 2003
- Submitted
- January 5, 2004
- Operation
- General aviation
- Make and model
- Cessna 172R
- Engine
- Lyc IO360L2A
- Propeller
- Mcauly IC235LFA7570
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Exhaust Valve
- Part number
- IO360L2A
- Part serial
- L2882951A
- Condition
- Burned
- Location
- Engine
- 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.