As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON THE PRE-DEPARTURE CHECK THE SMU (SYSTEM MANAGEMENT UNIT) CAUGHT ON FIRE NO EXTERNAL FLAME BUT FLAME AND WITHIN THE UNIT AND SMOKE COMING OUT OF THE UNIT.THE UNIT WILL HAVE A STRIP REPORT DONE AT THE MANUFACTURER FOR ANALYSIS. UNIT REPLACED.