As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT DIVERTED DUE TO ELECTRICAL SMOKE DETECTED IN CABIN. SOURCE SEEMED TO BE AT OR NEAR THE LIVE TV IFE BOX AT 6B. FIM TASK 21-00, TASK 806 CARRIED OUT. SOURCE OF ELECTRICAL FUMES FOUND TO BE INTERNAL COMPONENTS OF SEB AT 6B. SEB WAS REPLACED PN 3042865-102, SN 14635. NOTE: THIS SEB HAD JUST BEEN INSTALLED 2 DAYS PRIOR.