What was found
CONT CAB LIGHT ON RECALL RESETS ON MC RECALL. CONFIRMED FAULT, CONT CABIN ZONE TEMP LIGHT ILLUMINATES ON MASTER RECALL. T/S FOUND NR 2 ZONE TEMP CONTROLLER WITH FLT DECK TRIM VALVE FAULT LIGHT ILLUMINATED AFTER INTERROGATION. PERFORMED NR 1 & NR 2 CABIN TEMP CONTROLLER BITE TEST IAW AMM 21-61-00, OPS NORMAL. ALL FAULT LIGHTS EXTINGUISHED & COCKPIT CONT CABIN ZONE TEMP LIGHT NO LONGER ILLUMINATES ON MASTER RECALL. NO HISTORY IN TRAX FOR THIS PROBLEM LAST 60 DAYS.