As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 1729, BOS-CLT: ON DESCENT INTO CLT, SMOKE BEGAN TO FILL THE CABIN. CREW ACCOMPLISHED SMOKE IN CABIN PROCEDURES AND THE CABIN CLEARED. MAINTENANCE FOUND THE SEB AT ROW 10AC TO BE THE SOURCE. REMOVED SEB AND CABLE. RELEASED PER MEL. [07-10-07] REPLACED SEAT ROW 10AC AND WIRING HARNESS AT 10B.