What was found
ALTERNATOR FAILED IN-FLIGHT. NORMAL LANDING MADE. ELECTRICALLY ALTERNATOR CHECKED OK. SAW ROTOR NOT MOVING WITH PROPELLER. REMOVED ALTERNATOR. ALTERNATOR DRIVE GEAR AND ALTERNATOR FACE DRIVE GEAR TEETH WORN AWAY. REMOVED DRIVE. PIECES OF BUSHING FELL OUT OF ASSY. DISASSEMBLED ALTERNATOR. DRIVE END BEARING SLOPPY. ALTERNATOR SHAFT WORN UNEVENLY AT BEARING. ROTOR HAD BEEN RUBBING ON STATOR. FOUND METAL IN OIL FILTER. ENGINE REMOVED FOR OVERHAUL.