As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIMARY TRIM CAUSED A/P AND A/T TO KICK OFF WHEN ACTUATED.CPTS PFD AND NAV DISPLAY BLANKED OUT AND ALL COCKPIT LIGHS DIMMED WHEN TRIM ACTUATED. UPON INSPECTION FOUND WIRE BUNDLE AT PRIMARY AND ALTERNATE TRIM BURNT. SUSPECT WIRES CHAFED DUE TO CONTACT WITH ONE OF PRIMARY ACTUATOR MOUNTING BOLTS.