As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA REPORTS BURNING SMELLS NEAR COCKPIT"TRANSFERRED TO NRWC 688-MIA-05603"-C/A-DURING INITIAL EVALUATION, WAS FOUND PASSENGER CABIN LIGHTTING POWERED ON WITH NO OPTION TO POWER IT OFF FROM THE FA LIGHT CONTROL PANEL AND FOUND PSU 1A OVERHEATED AND BURNED SMELL COMING OUT. PERFORMED FIM TASK 33-21-00-810-801-A, FOUND CONTROL MODULE ASSY DAMAGED AND WITH INTERNAL BURNED SIGNS.