SDR CA960510103

Service difficulty report · Crankshaft · Piper PA31350

Difficulty date: May 9, 1996
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Piper PA31350
Engine: Lyc TIO540J2BD
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Crankshaft
Part number: LW17760
Condition: Broken
Location: Nr 2&3 Cyl Area
Component: Lyc · TIO540J2BD
Stage of operation: CR
Nature of condition: 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)IN CRUISE, ENGINE RUNNING ROUGH AND LOSING POWER. ENGINE SHUTDOWN. MAINTENANCE FOUND THAT TURNING PROP BY HAND RESULTED IN NO ROTATION ON 3,4,5 & 6 CYLINDERS INDICATING A BROKEN CRANKSHAFT. ENGINE ROUTED TO SHOP FOR FURTHER INVESTIGATION.

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