What was found
CREW REPORTED, BLEED LEAK IN FLIGHT, LOUD DECOMPRESSION, AND ODOR OF SMOKE FROM NR 2 ENGINE. PERFORMED EMERGENCY LANDING IN NEWARK, AIRCRAFT LANDED UNEVENTFULLY. DURING TROUBLESHOOTING MAINTENANCE FOUND BLEED AIR TUBING ASSEMBLY WHICH CONTROLS NR 2 ENGINE THERMOSTAT (HT)&(LT) FORWARD AUTO LATCHING COUPLING TO BE BROKEN. REMOVED AND REPLACED NR 2 BLEED DUCT AT CARGO BAY POSITION UNDER FLOOR IAW EMB145 MM 36-11-09, OPS AND LEAK CHECKED GOOD OF BLEED SYSTEM IAW EMB145 MM 36-00-00. PRESSURIZATION CHECKED GOOD IAW EMB145 MM 21-31-00. INSTALLED FLOOR PANELS 272AF AND 272BF. AIRCRAFT RETURNED TO SERVICE.