What was found
AFTER TAKEOFF FLIGHT ATTENDANT REPORTED SMOKE IN THE CABIN AND A BURNING SMELL. ALSO REPORTED AN ABNORMAL SOUND COMING FROM ENGINE OR ACM. "TRANSFERRED TO NRWC 675-SGF-03210" DD 626301-C/A-T/S PER FIM 21-20-00-810-801-A, REMOVED AND REPLACED RH ACM, HEAT EXCHANGER, CONDENSER/MIXER, OVERPRESSURE SWITCH, DUCT OVERTEMP SWITCH, PACK VALVE OPC GOOD. ACCOMPLSHED INSPECTION OF ACM IAW EO EM-2100-048 AND FOUND CONDENCER MIXER AND HEAT EXCHANGER BAD. REMOVED AND REPLACED RH CONDENSER/MIXER IAW AMM 21-51-04 LEAK CHECK GOOD. REMOVED AND REPLACED OUTLET DUCT ON RH HEAT EXCHANGER IAW AMM 21-51-02. REMOVED AND REPLACED RH PACK VALVE IAW EMB AMM 21-51-01, OPC GOOD IAW EMB AMM 21-51-00. REMOVED AND REPLACED RH PACK OVERPRESSURE AND OVERTEMP SWITCH OPC AND LEAK CHECK GOOD. DOWNLOADED CMC IAW WC 45-900-00. RH HEAT EXCHANGER P/N 816630-2 S/N 200403183. RH CONDENSER MIXER P/N 816650-2 S/N 200212103. AMBIENT TEMPERATURE SENSOR P/N 815289-2 S/N 03935.