Service difficulty report · Valve

Difficulty date
August 30, 1996
Submitted
March 26, 2000
Operation
General aviation
Engine
Lyc IO360A3B6
Part
Valve
Part number
SL16740
Condition
Severe Wear
Location
Exh Valve
Part time
127 hours
Stage of operation
NR
Nature of condition
E
Precautionary procedure
K

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

What was found

(CAN) DURING TROUBLESHOOTING TO DETERMINE CAUSE OF ROUGH RUNNING ENGINE OIL FILTER WAS REMOVED AND FERROUS METAL PARTICLES WERE FOUND. ENGINE WAS DISMANTLED AND #1 AND #3 CYLINDER EXHAUST VALVES WERE FOUND SEVERELY WORN.