As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUSPECT AIR CONDITIONER COMP BELT BROKE AND TOOK OUT HYD BELT. FOUND BELT (AC) RUNNING TOO CLOSE TO DRIVESHAFT COUPLING BOLTS. SHIMMED AC COMPRESSOR BRACKET TO OBTAIN PROPER CLEARANCE. CHECKED COMP PULLEY TO DRIVESHAFT FOR PARALLELISM. SUGGEST INSP OF AC BELT FOR PROPER CLEARANCE. AIR CONDITIONER SYSTEM IS A CASEY-COPTER ACCESSORIES, P/N 350-CCA-102-24, STC NR SH 686NE.