Service difficulty report · Valve Seat · Cessna A185F

Difficulty date
September 22, 2001
Submitted
December 12, 2001
Operation
General aviation
Make and model
Cessna A185F
Aircraft time
5,526 hours
Engine
Cont IO520D
Propeller
Mcauly D2A34C58
Part
Valve Seat
Part number
CH71HER
Condition
Cracked
Location
Cylinder Head
Stage of operation
CL
How discovered
O
Nature of condition
E, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) - NR 6 CYLINDER ASSEMBLY CRACKED FROM EXHAUST VALVE SEAT TO INJECTOR PORT TO INTAKE VALVE SEAT. - INJECTOR AND FUEL FLOW AND PRESSURE NORMAL SO CAUSE UNKNOWN.- CYLINDER REPLACED.

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