As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTI-ICE ENG L EICAS MSG ON ENG SHUTDOWN. MTC MSG 30-10101 VLV FAILED IN CLOSED POSITION. NO ICE NOT AVIAL TRIED TO MEL PER 30-21-01B. MTC UNABLE TO C/W MEL ENG RUN. DEFERRED TO CREW PROCEDURE WHICH FAILED AFTER PUSH BACK. MTC REPLACED L ENG ANTI ICE VALVE AND REMOVED MCO.