As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 1076 - CABIN EMERGENCY AISLE PATH LIGHTING WOULD NOT COME ON AUTOMATICALLY WHEN SWITCHED TO STANDBY POWER DURING A PREFLIGHT CHECK. THE EMERGENCY POWER LIGHT RELAY WAS REMOVED AND REPLACED AND OPERATION OF THE AISLE PATH LIGHTING WAS RESTORED. (X)