As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LLAR EMERGENCY LIGHT BATTERY PACK FOUND INOP DURING TEST THE BACKUP LIGHTS. REPLACED AND INSTALLATION TEST OF LLAR EMERGENCY LIGHT BATTERY PERFORMED,RESULT NORMAL,LLAR BACK UP LIGHT TEST CARRIED OUT RESULT NORMAL AS PER AMM 33-29-01-600-801,33-51-06-960-802 REV99