What was found
(CAN) AFTER PUSH BACK, AN ACRID ODOUR APPEARED IN THE AFT GALLEY. THE AIRCRAFT PULLED ONTO THE GATE AND PASSENGERS IMMEDIATELY DEPLANED. EMS RESPONDED. MTC IS INVESTIGATING NO ELECTRICAL BURN SMELL NOTICED WHEN MTCE ARRIVED. FIREFIGHTERS CAME ON AND LEFT AFTER DOIND THEIR INSPECTION. OVEN, COFFEE MAKERS, C/B PANEL CONNECTORS AND WIRING CHECKED. OVERHEAD PANELS DROPPED. NO FAULT FOUND. LAV WATER HEATER ALSO CHECKED OK. BACK GALLEY EQUIPMENT CHECKED SERVICEABLE.