in a B727-200 at Glide-slope capture
loud bang, bright flash, too quick to have time to panic.
FE reported that the ENE door light had illuminated, all else was normal.
on ground Cabin attendants reported that externally the aircraft appeared to be engulfed in flames, internally a "tumble-weed" fire ball of static electricity was seen rolling down the aisle.
post flight damage report:
HF antenae on the top of the fin was AWOL
ENE door microswitch was fried
A couple of rivets around the nose showed signs of being welded to the sheetmetal structure