As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK ILLUMINATED ON RECALL RESET WITH MASTER CAUTION RESET. GROUNDED YES. PERFORMED FIM TASK 21 53 00 810 804 RIGHT PACK LIGHT ON DURING GROUND OPERATION AND STAYS OFF AFTER RESET. NO FAULTS FOUND GROUND VERIFICATION TESTS NORMAL.