As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM AUS TO PHX ALL EMERGENCY EXIT LIGHTS ILLUMINATED. EMERGENCY EXIT LIGHT WAS SWITCHED OFF TO CONSERVE BATTERY ENERGY. MAINTENANCE FOUND A WEAK EMERGENCY LIGHT SYSTEM CONTROL CIRCUIT BREAKER (5 AMP) ON THE P-18 PANEL. REMOVED AND REPLACED 5 AMP CIRCUIT BREAKER ON THE P-18 PANEL. EMERGENCY LIGHT CHECK WAS GOOD.