What was found
BLEED 2 LEAK IN FLIGHT EMERGNCY DECLARED. EQUIPMENT SWAP FLT CONT. C/A: TROUBLESHOT BLEED 2 LEAK, REF FI 36-20-00-810-802A AND FOUND DUCTS TO HEAT EXCHANGER TO BE LOOSEN. RESECURED DUCTS, REF EMB 145 AMM 36-11-09. OPERATIONS CHECK OF BLEED AIR SYSTEM. OPERATIONS CHECK GOOD. NO MESSAGE DISPLAYED ON EICAS.