As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - EEL - MAINTENANCE TECHNICIAN NOTICED THE LEFT SIDE EMERGENCY EXIT LIGHTS IN THE MAIN CABIN WERE INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT POWER SUPPLY. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.