As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ROTATION SPEED MASTER WARNING DOOR LIGHT CAME ON. ABORTED TAKE OFF AT 123 KNOTS. INTERROGATED PSU FOUND NO FAULT CODES. PERFORMED OPERATIONAL TEST OF THE AFT PASSENGER DOOR WARNING SYSTEM IAW AMM REF TASK 52-12-00-710-802 3B. (1)-(9). OPS CHECK GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME. NO PARTS REPLACED.