As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB ZONE TEMP ILLUMINATES WITH MASTER CAUTION. RESETS. GROUNDED - YES. CONT CAB TEMP CONTROL PRIMARY INOP. NR 2 PZTC SHOWS "FLT DECK TRIM VALVE" FAULT ON PREV FLT. RESET FAULT. FAULT DID NOT RETURN. OPS CHECK NR 2 TEMP CONTROLLER & CONT CAB TRIM VALVE GOOD IAW FIM 21-61/T842.