As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L ENG HPSOV EICAS MSG DISPLAYED DURING TAXI OUT. WIRED REMOVED FROM CONNECTOR PER MEL. RETURN WIRE W3510-017-18 FROM TERMINAL 2 BACK TO TERMINAL 1 WHEN CLEARING DEFERRED ITEM REF MEL CARD 36060 MAINT STEP B. REPLACED LT ENG BLD CARD, SEE PTT REF 0112012.