What was found
DECLARED EMERGENCY DURING APPROACH INTO ATL DUE TO A DUAL PACK FAILURE AT FL200. LT ENGINE EIU FAULT LED TO THE LT PACK FAULT. THE RT PACK WAS ALREADY ON MEL FOR A PRIOR OVERHEAT MESSAGE. CORRECTIVE ACTION: DURING TS, LT ENGINE PYLON CONNECTOR 406VC1 WAS FOUND DAMAGED AND REPLACED. ALSO REPLACED EIU-1, RELAY 15HB, 16HB, LT PACK FLOW SENSOR 10HH, RT PACK FLOW CONTROL VALVE, AND RT PACK SENSORS 33HH AND 35HH. (LP 7444155, 1202311, 1202011)