As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL IN BLD WITH POWER GOING THROUGH 80PERCENT N1 AT ABOUT 40 KTS CREW GOT A MASTER WARNING, TRIPLE CHIME, R 14TH DUCT MESSAGE AND BLEED AIR DUCT MESSAGE. ABORTED TAKEOFF AND RETURNED TO THE GATE. OPS CHECK OF BLEED AIR SYSTEM AND WARNING SYSTEM. OPS CHECK GOOD AT THIS TIME. RAN ENGINES TO 85 PERCENT N1 TEST BLEED AIR SYSTEM, NO DEFECT NOTED AT THIS TIME IAW 36-21-00.