As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK DUE TO RIGHT ENG TAI INOP LIGHT & EICAS MSG. ENG. A/I CHECKLIST WAS RUN W/NO RELIEF. ICING CONDITIONS AT DESTINATION THIS OCCURRED ON CLIMB-OUT. REPLACED CONNECTOR D1318 FOR ENG ANTI-ICE VALVE IRW B757 SWPM 20-60-03. REVERSED DMP 30-21-1-1. PERFORMED ENG RUN AND OPS CHECK IRW B757 AMM 30-21-00.