SDR 97ZZZX3813

Service difficulty report · Valve Seat · Cessna 150F

Difficulty date
August 3, 1997
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N6674F
Make and model
Cessna 150F
Aircraft serial
15063274
Engine
Cont O200A
Part
Valve Seat
Part number
641793
Condition
Carboned Up
Location
Nr 2 Int Valve
Stage of operation
CL
Nature of condition
R
Precautionary procedure
A

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

What was found

FOLLOWING TAKEOFF, ENGINE LOST POWER. SAFE LANDING MADE. INVESTIGATION FOUND NR 2 CYLINDER LOST POWER DUE TO VALVE SEAT CARBON BUILD-UP CAUSING COMPRESSION LOSS AND BLOWBY TO OTHER CYLINDERS.

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