As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL, A MASTER CAUTION AIR CONDITIONING WITH A PACK LIGHT ON LT SIDE PACK LIGHT DISAPPEARS ON RESET. ACFT GROUNDED. PERFORMED ZONE/TEMP CONTINUE BITE CHECK IAW MM 21-61-00. NR 1 CHECKED GOOD. NR 2 BITE SHOWED TCV. PREVIOUS FLT SHOWED TCV VERIFY PASSED. DEFECT RESET. MASTER CAUTION RESET CHECKED GOOD.