Service difficulty report · Exhaust Valve · Univar 415C

Difficulty date
August 29, 2003
Submitted
September 24, 2003
Operation
General aviation
Aircraft
N3182H
Make and model
Univar 415C
Aircraft serial
3807
Engine
Cont C7512
Part
Exhaust Valve
Part number
646612
Condition
Separated
Location
Nr 2 Cylinder
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

THE FACE OF THE NR 2 CYL EXHAUST VALVE SEPARATED FROM THE STEM OF THE VALVE. SUBSEQUENT DAMAGE TO THE POSTON AND CYLINDER WAS SUBSTANTIAL. THIS FAILURE OCCURRED WHILE IN CRUISE FLIGHT.