As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FUSELAGE DOORS WARNING LIGHT ILLUMINATED DURING TAKEOFF AND THE TAKEOFF WAS REJECTED. R2 SERVICE DOOR INDICATED OPEN BUT WAS CLOSED. MAINTENANCE INVESTIGATION DETERMINED THAT R2 DOOR SENSOR HARNESS WAS CHAFED. THE AIRCRAFT WAS RELEASED TO SERVICE UNDER THE APPROPRIATE MEL AND THE HARNESS WAS REPLACED AT THE END OF THE OPERATIONAL DAY.