What was found
(AUS) INLET VALVE SPRING SEATS ON ALL CYLINDERS CRACKED. FURTHER INVESTIGATION FOUND THAT THE INLET VALVE GUIDES WERE NOT FULLY SEATED IN THE CYLINDER HEAD.
- Difficulty date
- June 7, 2000
- Submitted
- July 4, 2000
- Operation
- General aviation
- Make and model
- Cessna U206G
- Engine
- Cont IO520F
- Propeller
- Mcauly D3A32C90
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Seat
- Part number
- SA625393
- Condition
- Cracked
- Location
- Engine
- Component
- Engine · Cont
- 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.