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 ILLUMINATED ON RECALL, EXTINGUISHED W/ MASTER CAUTION RESET. GROUNDED - YES. PERFORMED BITE CHECK OF LEFT AND RIGHT PACK ZONE CONTROLLERS AND RECEIVED FLIGHT DECK TRIM VALVE FAULT, REF TASK 21-61-700-806-002. REMOVED AND REPLACED CONTROL CABIN TRIM AIR VALVE, REF AMM 21-61-21-400-801. OPS & LEAK CHECK GOOD.