As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A AND PASSENGERS SAY DARK SMOKE CAME FROM VENTS IN ROW 5 AND 6 AND MOVED THROUGH CABIN TO AFT GALLEY NO SMELL OR INDICATION OF SMOKE WERE DETECTED ON THE FLIGHT DECK. INSPECTED AND FOUND FORWARD GALLEY OVENS TO BE THE SOURCE OF SMOKE. PLACED GALLEY OVENS ON DEFERRAL.