As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR CONDITIONER SYS INOPERATIVE WITH COMPRESSOR SEIZED AND DRIVE BELT BURNED OFF. FOUND HALF OF THE BEARING BALLS MISSING FROM THE DRIVE BEARING. THESE ARE CAPTURED BEARINGS AND CAGED. THE BEARING BALLS SEEM TO HAVE NEVER BEEN INSTALLED AT MFG. THE OPERATING LIFE OF THE COMPRESSOR IS ABOUT 200 HOURS BECAUSE ONLY USED IN HOT WEATHER. THROUGH THE LIFE OF THIS COMPRESSOR THERE HAS BEEN A VIBRATION FELT WITH TURN ON.