As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: COMMENCING TAKEOFF ROLL AT APPROXIMATELY 80 KNOTS F/O WINDOW OPENED. ABORTED TAKEOFF RETURNED TO GATE. ACCOMPLISHED HIGH ENERGY STOP IAW AMM 05-51-07, NO DEFECTS NOTED. INSPECTED R2 WINDOW OPS NO FAULTS NOTED, R2 WINDOW IS CLOSED AND LOCKED IAW AMM 56-12-11.