[djf]

In fact I should amend my position a bit because supposedely there was a Singapore Airlines 737 that went down in 1990 due to a fuel tank explosion.

[COEXERJ145]

It was a Philippine Airlines 737-3Y0 that had its center fuel tank blow up on the runway in Manila.

Also, the destruction of a Thai Airways International 737-4D7 is believed to have also been a spontaneous ignition of the center fuel tank.

And for those who don't know, the design of the center fuel tank on many older models of the 737 and 747 are identical except in size.

[diogenes ghost]

"In fact I should amend my position a bit..." No, you should amend it a lot. There have been several tank explosions, most on Boeings. As an ATC, I was working one of them when he blew up. Happy32, KC-135 of Ill ANG, about 40 miles NW of O'Hare in Dec '81. Killed a lot of Weekend warriors, cockpit came down next to a school that was having a Christmas concert.

[Non-Sequitur]

In fact I should amend my position a bit because supposedely there was a Singapore Airlines 737 that went down in 1990 due to a fuel tank explosion.

I hadn't heard of that crash. What are the details?