What was found
LAS - EEL - DURING INSPECTION THE CABIN EMERGENCY LIGHT SYSTEM FAILED OPERATIONAL TEST. MAINTENANCE REMOVED AND REPLACED BATTERIES AT EMERGENCY POWER SUPPLY UNITS 10WL, 11WL, AND 13WL, OPERATIONAL TEST WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAS - EEL - DURING INSPECTION THE CABIN EMERGENCY LIGHT SYSTEM FAILED OPERATIONAL TEST. MAINTENANCE REMOVED AND REPLACED BATTERIES AT EMERGENCY POWER SUPPLY UNITS 10WL, 11WL, AND 13WL, OPERATIONAL TEST WAS GOOD.