As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLL - FLT 3537 - SMOKE IN THE CABIN/GALLEY AREA. CREW SHUTOFF THE DC UTILITY SERVICE BUS AND THE SMOKE DISSIPATED. AIRCRAFT DIVERTED INTO CLL AND LANDED SAFELY. MAINTENANCE FOUND READING LIGHT TRANSFORMER BAD FOR SEAT 2D. LIGHT WAS MEL/D PER 25/19. RAI'D POWER TRANSFER UNIT FOR LIGHT ASSY. PERFORMED OPERATIONAL CHECK SATISFACTORILY. A/C RETURNED TO SERVICE. (M)