As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CAB ZONE TEMP LIGHT ILLUMINATED WITH MASTER CAUTION RECALL. LIGHT EXTINGUISHED WITH MASTER CALL RESET. TEMP CONTROL FOR CONTROL CABIN IS OPERATIVE. ACFT GROUNDED. ACCOMPLISHED PACK ZONE TEMP CONTROL BITE CHECK. NR 1 CONTROLLER PASSED, NO FAULTS NOTED. NR 2 CONTROLLER SHOWED FLT DECK TRIM VALVE FAULT. RESET FAULT, RAN BITE CHECKED AGAIN, NO FAULTS NOTED. NO FAULTS NOTED ON MASTER CAUTION RECALL IAW AMM 21-61-00-700-806-002. NO HISTORY IN 30 DAYS.