What was found
DURING CRUISE, CONT CAB ZONE TEMP ILLUMINATED. LIGHT RESET WITH MASTER CAUTION. GROUNDED - YES. PERFORMED BITE OF BOTH PACK TEMP CONTROLLERS PER FIM 21-62 TASK 801 AND NO FAULTS FOUND. REMOVED 3 EA CABIN TEMP SENSOR FILTERS PER AMM 21-61-06. FOUND FILTHY. PERFORMED CLEANING OF 3 EA CABIN TEMP SENSOR FILTERS PER AMM 26-61-06-100-801. INSTALLED 3 EA CABIN TEMP SENSOR FILTERS PER AMM 21-61-06. OPS TEST OF CABIN TEMP CONTROL AND INDICATION PER AMM 21-61-00-700-807 GOOD. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST PER AMM 21-61-00-700-806 GOOD.