Service difficulty report · Cylinder · Piper PA23250

Difficulty date
August 29, 1995
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Piper PA23250
Engine
Lyc IO540C4B5
Part
Cylinder
Condition
Disintegrated
Location
Nr 5 Cyl
Part time
1,523 hours
Stage of operation
CR
Nature of condition
E, K, Y
Precautionary procedure
A, E

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

What was found

(CAN)THE #5 CYLINDER WAS TORN OFF THE ENGINE BLOCK. THE PISTON BROKE INTO A THOUSAND PIECES AND ALL THE REST OF THE CENTRAL PARTS WHICH KEEP THE ENGINE TOGETHER WERE CRACKED. IT IS THOUGHT THAT EITHER THE #5 CYLINDER PISTON OR PISTON PIN FAILED AND THE RESULT WAS A DESTROYED ENGINE.

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