What was found
DURING INSPECTION EMERGENCY EXIT LIGHTS FAILED OPERATIONAL TEST. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AT THE RT OVERWING EMERGENCY POWER SUPPLY UNIT (12WL); OPERATIONAL CHECK WAS GOOD IAW AWA T/C 18M05319, STEP 5.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING INSPECTION EMERGENCY EXIT LIGHTS FAILED OPERATIONAL TEST. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AT THE RT OVERWING EMERGENCY POWER SUPPLY UNIT (12WL); OPERATIONAL CHECK WAS GOOD IAW AWA T/C 18M05319, STEP 5.