As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK MX FOUND THAT 2 OF THE 3 EMERGENCY PATHWAY LIGHTS IN THE VENTRAL STAIRWAY WERE INOPERATIVE. MX FOUND THE CATWALK LIGHTS CONNECTOR BETWEEN THE SECOND AND THIRD EEPL WAS CORRODED. AFTER IT WAS CLEANED AND SECURED THE LIGHTS TESTED AS FUNCTIONAL.