As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - GLD UNSAFE CAUTION MSG ON TAKEOFF ROLL ABORTED AT 75 KTS, DEPARTED ON RUNWAY 34C AT P1. PLACED RADIO ALTIMETER SYSTEM ON MEL 34-44-1. RETURNED TO SERVICE. PERFORMED OPS TEST OF RADIO ALTIMETER IAW RIL 84-34-018 AND TC R344401. OPS TEST GOOD, NO MESSAGES NOTED ACFT IS NOW CATII PLACARD REFLECTS CATII. RETURNED TO SERVICE. NO PARTS REPLACED.