As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SERVICE CHECK FOUND ELECTRICAL ODOR COMING FROM OVERHEAD LIGHT. FOUND ONE FLUORESCENT LIGHT RECEPTACLE CORRODED AT TERMINAL ENDS AND SHORTING. CLEANED RECEPTACLE AND REPLACED BOTH TERMINAL ENDS ON WIRES COMING TO RECEPTACLE. REPLACED LAMP AND OPS CHECKED GOOD IAW DC8 AMM 33.