As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GNDED. WHILE AT GATE PREPARING FOR DEPARTURE, CABIN CREW REPORTED SMOKE IN THE AFT GALLEY. CREW FOUND CUP BOTTOMS INSERTED IN THE GALLEY WORK LIGHT, WHICH PUSHED THE LENS IN CONTACT WITH THE BULB CAUSING THE LENS TO MELT. R & R THE LIGHT LENS ASSEMBLY IAW AMM 33-26-01. SYS CHECKED NORMAL.