As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 248 - SJC-PHX - EMERGENCY LIGHTS - AFT LEFT POWER SUPPLY FOR EMERGENCY EXIT LIGHTS FAILS TEST ON CIDS. REMOVED AND REPLACED AFT LEFT POWER SUPPLY FOR EMERGENCY LIGHT SYSTEM PER AIRCRAFT MAINTENANCE MANUAL 33-51-38. OPERATIONAL CHECK WAS GOOD.