As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB ZONE TEMP LIGHT ON MASTER CAUTION RECALL. RESETS AFTER PUSHING MASTER CAUTION. GROUNDED - YES. ACCOMPLISHED PACK ZONE TEMPERATURE TEST BITE PER AMM 21-61-00-700-806-002 RH CONTROLLER FAULTED FLT DECK TRIM VALVE. REMOVED AND REPLACED CONTROL CABIN TRIM VALVE PER AMM 21-61-21/401. RAN PACKS FOR 10 MINUTES, ACCOMPLISHED TRIM VALVE INSTALLATION CHECK PER AMM 21-61-21-400-801 PARA G. CHECK PASSED. ORIG SUBMISSION DATE: 12/29/2022