As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE FROM CABIN LIGHTS IN BETWEEN SEATS 4 AND 6 AFTER ABOUT 40 MINUTES OF USE. SMOKE AND ELECTRICAL ODOR DISSIPATED WHEN CABIN LIGHT SWITCH TURNED OFF. R & R BURNED BULB & BULB CLIP WITH NEW BULB & CLIP. LIGHT OPERATES NORMAL AT THIS TIME IAW MM 33-20-01.