SDR 99ZZZX3607

Service difficulty report · Valve · Gulstm AA5B

Difficulty date
August 25, 1999
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N74641
Make and model
Gulstm AA5B
Aircraft serial
AA5B0311
Engine
Lyc O360A4K
Part
Valve
Condition
Failed
Location
Nr 3 Cylinder
Stage of operation
NR
Nature of condition
E, R, J
Precautionary procedure
O

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

What was found

REMOVED NR 3 CYLINDER DUE TO BROKEN EXHAUST VALVE. VALVE BROKE IN-FLIGHT AND ENGINE STARTED RUNNING ROUGH. REPLACED CYLINDER ASSEMBLY, PISTON AND RINGS. ENGINE HAS 888.41 HRS SMOH.