As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A CHECK RIDE, THE AIRCONDITIONING SYSTEM FAILED. ISOLATION OF THE SYSTEM WAS CONDUCTED. AIRCRAFT PERFORMED RECOMMENDED PROCEDURES AND UPON INSPECTON OF THE SYSTEM IT WAS CONFIRMED THAT THE AIR CONDITIONING BELT HAD FAILED. BELT WAS REPLACED.