As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB HYD SYS 1 OVHT MESSAGE. PER QRH TURNED OFF HYD SYS 1. R & R ENGINE DRIVEN PUMP FOR NR 1 ENGINE IRW AMM 29-10-03. DURING TROUBLESHOOTING PER FIM 29-30-00-810-803A PER FIM 29-30-00-810-803A. R & R THERMAL SWITCH IRW AMM 29-30-05. OPS CHECK AND LEAK CHECK GOOD. OK FOR SERVICE.