As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAKEOFF THE TAKEOFF CONFIGURATION WARNING HORN SOUNDED FOLLOWED BY A MASTER CAUTION ALERT WITH ASSOCIATED PSEU INDICATION. THE TAKEOFF WAS ABORTED WITHOUT INCIDENT. MAINTENANCE PERFORMED A BITE CHECK OF THE PSEU AND FOUND A FAULT WITH THE SPEED BRAKE WARNING SIGNAL TO THE PSEU. THE FAULT WAS DEEMED INTERMITTENT WHEN THE PSEU WAS RESET AND THE FAULT CLEARED.