As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR OF WIRES BURNING FOLLOWED BY MAP AND BRIEFCASE CIRCUIT BREAKER TRIPPED, AND LOSS OF THOSE LIGHTS. ODOR WENT AWAY. CAPTAIN'S MAP LIGHT LENS ASSEMBLY SHORTED ON MOUNTING PLATE. REPOSITIONED AND SECURED LENS ASSEMBLY. OPS CHECKED GOOD IAW DC-9 MM.