August 12, 1985, a Japan Airlines B-747 flight 123 departed and climbed to 24,000 feet when the aircraft suffered an aft pressure bulkhead failure. At which point the B-747 began having control difficulties.

The aircraft decended crashing into Mount Osutaka, near Ueno Village, Japan. Of the 524 on board 520 died. The bulkhead failure was related to in proper repare of the bulkhead after a tail strike in 1978.