What was found
DURING CLIMBOUT AT 8000 FT, CREW HEARD LOUD THUNK, FOLLOWED BY BLEED 1 LEAK MESSAGE. RAN QH, THE BLEED 2 LEAK MESSAGE DISPLAYED. RAN QRH, THEN BLEED, THEN BLEED 1 MESSAGE OFF. ANTI ICE INOPERATIVE MESSAGE DURING DESCENT. THEN BLEED 1 LEAK. SELECTED BLEEDS OFF. RETURNED TO DEPARTURE. FOUND NR 2 BLEED LINE CLAMP SEPARATED. THE CLAMP AND O-RINGS ARE DAMAGED AND CLAMP FOUND TO BE MISSING. REMOVED AND REPLACED BLEED LINE CLAMP AND O-RING IAW 36-11-10. NO LEAKS NOTED.