As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - 4/5/01 - DURING MAINTENANCE OPERATIONAL CHECK ESCAPE PATH LIGHTS AT SEAT ROW 3L, 7L & 26L AS WELL AS OVERHEAD LIGHT AT 11L FAILED TO ILLUMINATE. THE EMERGENCY LIGHT POWER SUPPLY UNIT AT POSITION NR 4 WAS REPLACED AND FUNCTIONAL CHECKS WERE GOOD.