As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING T.O. ROLL, AIRSPEED ,80KTS. UNSCHEDULED STAB TRIM EICAS/ MASTER CAUTION. ABORTED TAKE-OFF. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENACE. MAINTENANCE REMOVED + REPLACED ALT STAB TRIM SWITCH ASSY PER B767 AMM 27-41-03 OPS NORMAL NO DEFECTS.AIRCRAFT RETURNED TO SERVICE.