As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SNA - MAINTENANCE FOUND THE EMERGENCY ESCAPE PATH LIGHTING IN THE AFT OF AIRCRAFT INOPERATIVE ALONG WITH THE L4 DOOR ESCAPE SLIDE LIGHT INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AND POWER SUPPLY. OPERATIONAL CHECK OF LIGHTS GOOD.