What was found
DURING ROUTINE MAINTENANCE THE LT AND RT EXTERNAL OVERWING EMERGENCY LIGHTS WERE FOUND INOPERATIVE. MAINTENANCE REPLACED THE NR 4 BATTERY POWER SUPPLY. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ROUTINE MAINTENANCE THE LT AND RT EXTERNAL OVERWING EMERGENCY LIGHTS WERE FOUND INOPERATIVE. MAINTENANCE REPLACED THE NR 4 BATTERY POWER SUPPLY. OPERATIONAL CHECKS WERE GOOD.