As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING NR 2 SERVICE CHECK, FOUND EMERGENCY LIGHT OUTSIDE L1 DOOR INOPERATIVE. REPLACED LAMPS AND REPLACED CHARGER ASSY, NO HELP. FOUND BAD LIGHT ASSEMBLY AND BAD GROUND FROM ASSEMBLY. FOUND LOOSE GROUND STUD NUT AT GD499 REF WDM 33-51-12, SECURED GROUND STUD NUT. LIGHT CHECKED GOOD.