As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A 100 HOUR INSPECTION, LEAK WAS NOTED ON THE AIR CONDITIONING DRIVE UNIT. FURTHER INSPECTION REVEALED THE SPLINES OF THE MALE END OF DRIVE WORN OVER 80 PERCENT. FURTHER INSPECTION REVEALED THE FEMALE END IN THE ENGINE WERE WORN THE SAME AMOUNT.