What was found
FLIGHT DECK TEMP CONTROL SYSTEM INOPERABLE IN AUTO MODE (FLIGHT DECK COMPT TEMP CONTROL SYSTEM, AUTO MODE). TRANSFERRED TO DMI 137761, IAW MEL 21-61-02-03, CAT C. CLEANED FLIGHT DECK TEMP SENSOR FILTER, IAW B767 AMM 21-61-09. PERFORMED FIM TASK 21-61 TREE 912. NO FAULTS FOUND. REMOVED AND REPLACED RELAY K238 AND P37 PANEL. OPERATIONS CHECK GOOD. DMI CLEARED. PLACARD REMOVED. NO FURTHER DEFECTS NOTED BY MX DP 1755Z.