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 LEFT AND RIGHT AFT OVERWING EMERGENCY LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LEFT AND RIGHT LAMPS LIGHT IAW EMB AMM 33-50-10-000-801-A AND 33-50-10-400-801-A. PART NUMBER 1317. NO FIX. REMOVED AND REPLACED THE EMERGENCY LIGHTING SYSTEM POWER SUPPLY AND BATTERY AT NR 4 POSITION IAW WC 33-700-19. THE OPERATIONAL CHECK WAS GOOD IAW WC 33-700-17. THE AIRCRAFT WAS RETURNED TO SERVICE.