Indeed the Jav was prone to start up fires. After start up the procedure was then too have a "shuffty" in the servicing bay between the engines. If all was ok, fasten up the huge panel and carefully back out. I say carefully, as in your path was a 12 in aerial, so standing up too early, it impaled itself between the shoulder blades. Trip too the Med centre, get stitched up, back too the line. 60 Sqn Line at Tengah had quite a few guys with the " Jav scar " me being one of them !!