HIAD Event Initiating System: Not Yet Specified
Explosion in generator area, thought to be hydrogen leak as a result of radial lead seal failure. Extensive plant damage.
Leak from faulty hydrogen seal ignited by short circuit between inboard slip ring and outboard slip ring radial lead connection. Hydrogen flame caused damage to brush gear assembly and inboard slip…
Severe hydrogen ingress into the stator coolant system resulted in a fire in the stator coolant head tank, ignition source unknown. No injuries to personnel. Minimal damage to plant.