As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN TEMP LIGHT ILLUMINATES ON RECALL. CLEARS UPON RESET. ACFT GROUNDED. PERFORMED PACK ZONE TEMP CONT BITE IAW AMM 21-61-00. FOUND FWD ZONE TRIM VALVE FAILED IN VERIFY. REMOVED & REPLACED FWD ZONE TRIM VALVE IAW AMM 21-61-21 OPS & LEAK CK GOOD.