As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B INSPECTION, FOUND THE RIGHT AND LEFT OVERWING EMERGENCY LIGHTS INOPERATIVE. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 4 BATTERY PACK AND POWER SUPPLY IAW AE W/C 33-700-19. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.