As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF ROLL JUST AFTER 80 KT CHECKS MASTER CAUTION / ANTISKID INOP ANNUNCIATION ILLUMINATED. REMOVED FAILED HYDRAULIC PACK ASSY AND INSTALLED NEW HYDRAULIC POWER PACK ASSY. BRAKE BLEEDING C/W WITH NO DISCREPANCIES NOTED AT THIS TIME. OPS AND LEAK CHECK C/W WITH NO DISCREPANCIES NOTED AT THIS TIME. WORK PERFORMED REF AMM 32-44-20 AND AMM 32-44-00.