As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B CHECK PIE MAINTENANCE FOUND BOTH FORWARD OVER WING ENERGENCY LIGHTS COME ON AN WILL NOT EXTINGUISH WHEN BATTERY IS TURNED OFF. REMOVED AND REPLACED POWER SUPPLY FOR FORWARD OVER WING EMERGENCY C4 LIGHTS IAW DC9 MM 33-53-0, OPERATES NORMAL IAW DC9 MM 33-53-0.