As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER BLOCK OUT FWD EQPT EICAS AND VALVE LIGHT ILLUMINTATED AND A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C. MTX PERFORMED OPS CHECK FOR FWD EQPT VALVE EICAS MSG IAW B767 FIM 21-58-FT 805 WITH NO EICAS MSG PRESENT. OPS CHECK IS GOOD AT THIS TIME. ACFT REMAINS NO ETOPS AND RETURNED A/C TO SERVICE.