As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY CEILING FLOODLIGHTS NR 1, 5 AND 6 AND RT PROXIMITY FLOOR EXIT LIGHT AT RT OVERWING EXIT DO NOT WORK FOUND BATTERY PACK TO BE UNSERVICEABLE. REMOVED AND REPLACED THE BATTERY PACK IAW AMM TASK 33-51-17-000-801 (A01), AND 33-51-17-400-801 (A01).