As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SPEED BRAKES FAIL ANNUNCIATED ON CAS AT FL 450. NO ADVERSE FLIGHT CONTROL EXPERIENCED AND CONTINUED FLIGHT TO UNEVENTFUL AND SAFE LANDING CARRIED OUT. TROUBLESHOOTING CONFIRMED PHYSICAL AND VISUAL OVERHEAT DAMAGE TO PCB NC106. REPLACEMENT OF THE PCB RECTIFIED THE DISCREPANCY.