As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTISKID OFF EICAS MSG. AICRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. REPLACED PARKING BRAKE VALVE IAW AMM 32-44-04. PERFORMED OPS CHECK OF PARKING BRAKE SYSTEM IAW B767 AMM 32-44-00-730-801. ALL TEST PASS. NO LEAKS NOTED. AIRCRAFT RELEASED FOR FLIGHT .