What was found
SHORTLY AFTER TAKEOFF, THE CREW HEARD A LOUD BANG AND HAD A BURNING ODOR. AN EMGENCY WAS DECLARED AND LANDED AND ARRIVED AT THE GATE. MAINTENANCE WAS DISPATCHED AND INSPECTED THE NOSE AND MAIN GEAR. INSPECTED, LEAK CHECKED AND OPERATIONAL CHECK OF THE HYDRAULIC SYSTEM. PERFORMED A GENERAL VISUAL INSPECTION OF THE FUSELAGE. PERFORMED OPERATIONAL CHECK OF THE FANS AND AIR DUCTS. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE