Service difficulty report · Cylinder Head · Piper PA31350

Difficulty date
November 27, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Piper PA31350
Engine
Lyc LTIO540J2B
Propeller
Hartzl HCE3YR2
Part
Cylinder Head
Part number
LW12966
Condition
Cracked
Location
Nr 1
Part time
1,817 hours
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) ON INSPECTION OF ENGINE, IT WAS NOTED THAT THE NR 1 CYLINDER ON NR 1 ENGINE WAS CRACKED ON THE UPPER SURFACE BETWEEN THE FIRST 2 COOLING FINS ON THE INTAKE SIDE THUS ALLOWING FUEL TO SPRAY OUT ALONG THE FINS PAST THE EXHAUST AND ONTO THE UPPER COWLING. NO FIRE WAS CAUSED, BUT LEFT UNDETECTED IT COULD HAVE CAUSED AN ENGINE FIRE.

More about the Piper PA-31-350