What was found
ENG ANTI ICE VALVES WERE ON FOR T/O. IMMEDIATELY AFTER T/O, THE NR 2 ENGINE ANTI ICE DUCT TEMP WENT FULL SCALE HOT AND THE OVERHEAT LIGHT ILLUMINATED. WITHIN 30 SECS, LT PACK TRIPPED AND ENG FAIL LIGHT ILLUMINATED. STANDARD BLEED/PACK CONFIGURATION FOR T/O. EMERGENCY WAS DECLARED AND IMMEDIATE RETURN TO SWF. REMOVED AND REPLACED NR 2 ENGINE EJECTOR VALVE AND ACTUATOR ASSY PER AMM 30-21-011-4, NR 2 THERMAL ANTI-ICE DUCT TEMPERATURE SENSOR PER AMM 30-21-061-4, NR 2 COWL ANTI-ICE THERMAL SWITCH PER AMM 30-21-051-4 AND THE NR 2 INLET COWL ANTI-ICE CHECK VALVE PER AMM 30-21-041-4, FUNCTIONALLY TEST COWL TAI SYSTEM PER AMM 31-21-001-5.