What was found
DURING SHUTDOWN, THE LEFT PROPELLER STOPPED ROTATION IMMEDIATELY AFTER THE CONDITION LEVER WAS PLACED IN THE FUEL CUT OFF POSITION. TECHNICIANS ATTEMPTED TO ROTATE PROPELLER WITHOUT SUCCESS. FURTHER TROUBLESHOOTING REVEALED METAL PARTICLE CONTAMINATION IN THE GAS GENERATOR OIL FILTER. THE ENGINE WAS REMOVED AND SUBSEQUENTLY HAD THE POWER SECTION SEPARATED AND DIRECTED TO A REPAIR SHOP WHERE, UPON DISASSEMBLY, THE FAILED HARDWARE WAS REVEALED. (M)