"Though the FQIS itself was designed to prevent danger by minimizing voltages and currents, the innermost tube of Flight 800's FQIS compensator showed damage similar to that of the compensator tube identified as the ignition source for the surge tank fire that destroyed a 747 near Madrid in 1976.
The innermost tube of the FQIS compensator showed damage similar to that of the compensator tube which was the ignition source for the surge tank fire which destroyed a 747 near Madrid in 1976.