What was found
EWR-CREW REPORTED AIR RETURN: NR 2 BLEED LEAK, LOUD NOISE AFTER TAKEOFF FROM NR 2 ENGINE. MX FOUND NR 2 BLEED LINE DISCONNECTED IN RADIO ALTIMETER ACCESS BAY, REMOVED AND REPLACED ORINGS, RECONNECTED BLEED LINE, RAN APU AND NR 2 PACK FOR ONE HOUR. NO BLEED LEAK ALERTS NOTED. NO FAULTS FOUND. A/C RETURNED TO SERVICE