As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - EEL - DURING INSPECTION, OPERATIONAL TEST OF EMERGENCY LIGHTS FAILED, CODES COM AFT LT AND INT LOAD AFT LT WERE REPORTED. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY POWER SUPPLY UNIT (13WL) IAW AMM 33-51-38. OPERATIONAL CHECK WAS GOOD.