As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTI SKID MSG ON EICAS NORMAL AND ALTERNATE ANTISKID STATUS MSG. INTERROGATED ANTISKID/AUTOBRAKE CONTROL UNIT, FAULTED NR 4 TRANSDUCER. INSPECTED WIRING ON NR 4 TRANSDUCER AND HUB CAP ATTACHED HARDWARE, CKS GOOD. PER FIM REPLACED CONTROL UNIT, RAN FULL AUTOBRAKE/ANTISKID CK PER FIM, CKS OK. OK TO RETURN TO SERVICE.