As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TIME SINCE REPAIR 11145.ON TAKEOFF, ROLL SPOILER INBOARD GROUND, ROLL SPOILER OUTBOARD GROUND CAUTION LIGHTS ILLUMINATED. TAKEOFF REJECTED. POWER LEVER MICRO SWITCHES CHANGED. FOUND CARD 1A FAULT (CODE S4) ON PSEU. PSEU REPLACED AND AIRCRAFT RETURNED TO SERVICE.