Service difficulty report · Cylinder · Gulstm 500B

Difficulty date
September 22, 2004
Submitted
September 28, 2004
Operation
General aviation
Aircraft
N6154X
Make and model
Gulstm 500B
Aircraft serial
500B98324
Engine
Lyc IO540B1A5
Part
Cylinder
Part number
LW13870
Condition
Seized
Location
Nr 1 Position
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

NR CYLINDER ON LT ENGINE SEPARATED BETWEEN CYLINDER BASE AND FIRST SET OF STEEL COOLING FINS. THE CONNECTING ROD WAS TORN FROM THE CRANKSHAFT. THE SEPARATION ALLOWED THE CYLINDER TO MIGRATE OUTWARD ABOUT 2 INCHES. THE FUEL INJECTION LINE WAS TORN OFF AT FUEL INJECTOR. BOTH PUSH ROD TUBES FELL OUT AND INTAKE TUBE WAS PULLED OUT. PROBABLE CAUSE IS CYLINDER AND PISTON SEIZED TOGETHER.