What was found
AFTER START CHECKLIST AFTER PUSHING RECALL MASTER CAUTION LIGHT AND A/C LIGHT (CONT CABIN ZONE TEMP) REMAINED ILLUMINATED. QRH COMPLETED. A/C LIGHT GOES OUT AFTER PUSHING MASTER CAUTION RESET. SEAMC CONTACTED. NR 2 CONTROLLER LOGGED FLT DECK TRIM VALVE FAULT. FAULT CLEARED. RAN PACK PERFORMED CONTROL CABIN TEMP CONTROL TEST REF MM 21 61 0 NORMAL. PERFORMED BITE ON NR 2 TEMP CONTROLLER NO CURRENT FAULTS. GROUND VERIFICATION SUCCESSFUL OK FOR SERVICE.