What was found
DURING OPENING OF THE LH AFT OVERWING EMERGENCY EXIT HATCH, FOUND THE HATCH BLOCKED BY A PASSENGER SEAT BACKREST. ONLY WHEN FORCING THE BACKREST FORWARD IT IS POSSIBLE TO REMOVE THE EXIT HATCH. ALSO FOUND ALL 4 EMERGENCY EXIT HATCHES DISARMED, ALTHOUGH IT IS NOT CERTAIN IF THE AIRCRAFT ARRIVED IN THIS CONFIGURATION.