As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE (DAILY CHECK), CABIN EMERGENCY ESCAPE PATH LIGHTING SYSTEMS LOCATIONS 11AB THROUGH 27AB FAILED TO ILLUMINATE DURING TEST. TROUBLESHOT AND FOUND BAD FUSE AT BATTERY POWER SUPPLY. REPLACED FUSE AT POWER SUPPLY. SYSTEM OPERATIONAL CHECK NORMAL.