What was found
PILOT REPORTED AIR CONDITIONER INOPERATIVE. INSPECTION REVEALED THAT AIR CONDITIONER QUILL SHAFT DRIVE PULLEY WAS LOOSE ON QUILL SHAFT. RESULTING HEAT BUILD-UP DEFORMED QUILL SHAFT, PULLEYS, AND ATTACH HARDWARE, AND DESTROYED DRIVE BELTS. REPLACED QUILL SHAFT, BOTH BEARINGS, PULLEYS, BELTS, AND ASSOCIATED HARDWARE. SYSTEM OPERATIONAL CHECKED NORMALLY.