What was found
LAX - MFR FLIGHT NR 2424: FLIGHT COMPARTMENT PACK HOT CAUTION LIGHT AND CABIN DUCT HOT CAUTION LIGHT. FLIGHT DIVERTED TO SMF. MAINTENANCE INTERROGATED CDS AND FOUND FAULT 3D09-CAB OLT MISCMP. REMOVED AND REPLACED CABIN ZONE SUPPLY TEMP SENSOR (P/N 820907-3) IAW Q400 AMM TASK 21-61-11-000-801 AND 21-61-11-400-801. REMOVED AND REPLACED LT COMPRESSOR OUTLET TEMP SENSOR IAW Q400 AMM TASKS 21-51-91-000-801 AND 21-51-91-400-801. OPERATED BOTH AIR CONDITIONING PACKS. NO DEFECTS NOTED. CLEARED ECS FAULTS IN CDS. GROUND RAN AIRCRAFT. NO DEFECTS NOTED. INTERROGATE ECS SYSTEM IN CDS WITH NO CURRENT FAULTS FOUND. AIRCRAFT RETURNED TO SERVICE.