As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN ABORTED TAKEOFF WAS PERFORMED AT 85 KNOTS DUE TO THE FLIGHT CREW REPORTING A CAUTION MESSAGE DISPLAYED DURING TAKE OFF ROLL FOR THE RIGHT AFT EMERGENCY EXT DOOR. MAINTENANCE REPLACED THE DETECTOR PROXIMITY SWITCH 61WV2 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-71-13.