What was found
RIGHT PACK TRIP LIGHT 30 MIN INTO FLT AT 33.0 PACK TEMP REACH 60 DEGREE C. RESET OK, THEN TRIP LIGHT ON AGAIN, ISOLATED PACK & RTB. ACFT GROUNDED. INSPECTED RT RAM AIR DUCTS, FOUND NO DEBRIS. RAN RT PACK, GOOD AIRFLOW OUT OF RT PACK RAM AIR EXHAUST DUCT OUTLET, NO FAULTS NOTED IAW AMM 21-53 TASK 814. REPLACED THREE SENSORS, S939, S5 AND S935 IAW WDM 21-51-25 AND REF MM 21-51-40, MM 21-51-41 AND MM 21-51-42. ACCOMPLISHED NR 2 BITE TEST, OPS NORMAL REF FIM 21-62, TASK 801. OPERATED RT AC PACK, OPS NORMAL, IAW TASK 21-00-00-800-803. R & R RT FLOW CONTROL AND SHUTOFF VALVE, LEAK CHECK AND BITE TEST GOOD.