As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT 8921 SHORTLY AFTER DEPARTURE, THE AFT R/H COFFEE MAKER STARTED SMOKING AND BLEW THE CIRCUIT BREAKERS. SINCE THE ACRID SMOKE SEEMED TO BE CONTINUING, THE CREW DECIDED TO RETURN TO DEPARTURE AIRPORT. THE SMOKE THEN STARTED LESSENING AND DISSIPATING. CREW ADVISE THAT THEY KEPT THE PASSENGERS INFORMED AND THERE WERE NO CONCERNS. CREW DID NOT DECLARE AN EMERGENCY. AT YQB THE COFFEE MAKER WAS DETERMINED TO BE AT FAULT AND DISABLED, CB PULLED. COFFEE MAKER REPLACED.