The door on the back panel will not hold shut. It appears that the fastening tab that holds the door shut has it's tab broken off. I removed the 2 screws to the panel and it appears this piece can be easily replaced. Are their vendors out their that sell replacement parts for this type of repair.
Any place that does Canon warranty work should have the part. Many places that say they do warranty work actually send it out. You'll need to find a real repair shop.
If you’re interested in having your camera serviced quickly and economically visit our web site at www.garryscamera.com. Our estimate for this particular problem would be $55.00. That includes door latch replacement and complete overhaul.