What was found
CREW SAID AFTER BLEED 1 LEAK MSG POSTED, THEY FOLLOWED THEIR PROCEDURES & MSG DIDN'T CLEAR WITHIN 3 MIN, MSG REMAINED FOR APPROX 15 MIN. AFTER MSG CLEARED, IT RETURNED AROUND LANDING & REMAINED UNTIL ABOUT 15 MIN AFTER ENG SHUTDOWN. APU WAS NOT RUNNING. DIVERTED DUE NR 1 BLEED LEAK. DECLARED EMER, SAFE LANDING. FOUND JOINT IN NR 5 IN FUSELAGE BELLY TO WING NR 1 SIDE. R & R AIR BLEED O RINGS AT JOINT 5 IAW 36-11-10.