As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNSCHED STAB TRIM EICAS MESSAGE ON TAKEOFF ROLL AT APPROX 65 KTS. ABORTED TAKEOFF. AICRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE TROUBLESHOT SYSTEM. NO FAULT ON SAM L/H OR R/H FOUND R/H STCM FAULT RESET AND MAINTENANCE PROCEDURE 27-91-2 PERFORMED TESTED OK AIRCRAFT REMAIN CAT IIIB. AIRCRAFT RETURNED TO SERVICE