Service difficulty report · Cylinder · Cessna A185F

Difficulty date
November 1, 2002
Submitted
December 2, 2002
Operation
General aviation
Make and model
Cessna A185F
Aircraft time
2,271 hours
Engine
Cont IO520D
Part
Cylinder
Part number
654961
Condition
Failed
Location
Engine
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.

What was found

(CAN) WHILE CONDUCTING A CYLINDER COMPRESSION TEST, THE FOLLOWING RESULTS WERE DISCOVERED:CYLINDER 1-40PSI, 2-45PSI, 3-0PSI, 4-0PSI,5-40PSI, 6-58PSITHE MEASURE OF THE CYLINDER BARRELS INDICATES THAT THEY SHOULD MEASURE '10 THOU OVERSIZE'. THE EXHAUST VALVES ARE ALL WORN, MOREOVER THE INTAKE VALVES ARE ALSO WORN AT THE NEEDLE SHAFT AND TOO THIN ATTHE BASE OF THE VALVE.

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