As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - ON APPROACH AT 9000 FEET AIRCRAFT WAS STRUCK BY LIGHTNING CAUSING THE TRANSPONDERS TO FAIL. EMERGENCY DECLARED, LANDED DEN WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. ACCOMPLISHED LIGHTNING INSPECTION CARD 05-53-00-6. NO DAMAGE NOTED DUE TO LIGHTNING. SYSTEM GROUND CHECK NORMAL OPERATION.