As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RECALL, MASTER CAUTION ILLUMINATED WITH AIR CONDITIONER CONTROLLER CAB ZONE TEMP LIGHT. LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP BITE NR 2, LAST FLIGHT FAULT. FLIGHT DECK TRIM VALVE CLEARED FAULT. NR 1, NO FAULTS. RAN BOTH PACKS FOR 1 HR. NO FAULT, REF MM 21-00-00-800-803 & 21-61-00-700-806-002.