As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PNEUMATIC ANTI-ICE TEST, RECEIVED EICAS WG ANTI-ICE FAIL MSG. COMPLIED WITH AOM VOL 1 PROCEDURES & RETURNED WITHOUT INCIDENT. R & R WING ANTI-ICING ASYMMETRY PRESS TRANSDUCER IAW MM 0-11-13. OPERATIONS CHECK OF ANTI-ICING SYS GOOD IAW MM 30-00-00. MEL ITEM IS RESTORED.