As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - EEL - FLT 0056 - ON TAXI OUT THE FLIGHT ATTENDANT REPORTED THE OVERHEAD WING AND DOOR EMERGENCY EXIT LIGHTS WERE NOT ILLUMINATED, AIRCRAFT RETURNED TO GATE. MAINTENANCE TROUBLESHOT AND REPLACED POWER SUPPLY CONTROL RELAY (8WL), OPERATIONAL CHECK OF OVERHEAD WING AND DOOR EMERGENCY EXIT LIGHTS WAS GOOD.