Service difficulty report · Valve Seat

Difficulty date
June 12, 2002
Submitted
July 8, 2002
Operation
General aviation
Engine
Lyc O320*
Part
Valve Seat
Condition
Damaged
Location
Cylinder
Stage of operation
IN
How discovered
C
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) INTAKE VALVE LEAKING 20/80 COMPRESSION. PROBLEM FOUND ON THE BENCH. THE CYLINDER HAD TO BE REMOVED, THE VALVE RE-SEATED AND THE CYLINDER RE-INSTALLED ON THE ENGINE.