What was found
ZONE TEMP LIGHT ILLUMINATED ON CONT CABIN DURING MASTER CAUTION RECALL LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. ACCOMP PACK/ZONE TEMP. CONTROLLER BITE PROCEDURE FOUND FAULT LIGHT FOR FLT DECK TRIM VALVE ON NR 2 TEMP CONTROL AND NR 1 HAD NO FAULTS REF FIM TASK 21 62 00 810 801. INTERROGATED NR 1 PACK/ ZONE TEMP CONTROLLER PER: AMM 21 61 00. TEMP CONTROLLER FAULTED: CONTROL CABIN ZONE TEMP CONTROL VALVE. CONTROL CABIN ZONE TEMP CONTROL VALVE REPLACED WITH NEW PER: AMM 21 61 21. TEMP CONTROLLER BITE TEST GOOD. NOTIFIED SEAMC.