What was found
LEFT PACK LIGHT ILLUMINATED ON RECALL. RESET WITH MASTER CAUTION. ACFT GROUNDED. TECH SERVICE REQUEST, R & R THE LT TEMP CONTROL VALVE IAW AMM 21-51-10-000/400-801. BITE CHECK GOOD IAW AMM 21-61-00-700-806. LEAK CHECK GOOD. ON FIRST BITE CHECK, FOUND SRADA INLET FAULT. SUSPECT LT RAM AIR INLET ACTUATOR HAS INTERMITTENT FAULT. REPLACED THE LT RAM AIR INLET ACTUATOR REF AMM 21-51-21-000-801 AND 21-51-21-400-801. INLET DOOR ACTUATOR TEST PASS. BITE CHECK PASS REF AMM 21-51-21-400-801.