Service difficulty report · Valve Seat · Enstrm 280C

Difficulty date
December 11, 2001
Submitted
December 27, 2001
Operation
General aviation
Aircraft
N123MT
Make and model
Enstrm 280C
Aircraft serial
1063
Engine
Lyc HIO360E1AD
Part
Valve Seat
Condition
Loose
Location
Engine
Stage of operation
NR
How discovered
O
Nature of condition
R
Precautionary procedure
O

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

What was found

NUMBER 4 CYLINDER HAD AN INTAKE VALVE SEAT COME LOOSE AND THE PISTON HAD BROKEN RINGS. SUBSEQUENT LOSS OF POWER.