The aircraft Sunilgupta was on about is a 747-246B JA8122, which was blown off the runway at Anchorage, causing massive damage. Boeing repaied the plane and it flew again for many years, without crashing. This was featured in Airliner World Sept 2001. JA8122 ended up being....Click for large version
Photo © Luis Rosa
.....TF-ABI operated by Air Atlanta and is now stored at Marana.
The JAL 747 that crashed
was JA8119 (747-SR46) which crashed after a botched repair by Boeing on the rear pressure bulkhead which caused a catastrophic explosive decompression in August 1985, causing it to crash, killing 520 out of the 524 on board.