What was found
CONT CAB TEMP LIGHT ILLUMINATED ON RECALL AFTER START. EXTINGUISHES ON MASTER CAUTION RESET TEMP CONTROL FUNCTIONS NORMAL. CHECKLIST COMPLETED. GROUNDED - YES. VERIFIED FAULT, ACCOMP PACK/ZONE TEMP CONT BITE TEST, #1 CONT NO FAULTS. #2 CONT SHOWS FLT DECK TRIM VALVE FAULT FROM PREV FLT. ACCOMP VERIFIED TEST, TEST PASS. CLEARED FAULT, ACCOMP BITE TEST AGAIN NO FAULTS. CLEANED ALL 3 TEMP SENSOR FILTERS. ACCOMP CABIN TEMP CONT & IND TEST, TEST PASS REF B737-800 AMM 21-61-00-700-807-002 & AMM 21-61-00-700-806-002.