As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 612 29-10 9067 31JAN20 PHX OPEN U LOGPAGES:3163545 RECEIVED HYD 1 OFF LEVEL 1 ALERT DURING CRUISE FLIGHT DUE TO DECREASING FLUID QTY IN SYSTEM 1 COMPLIED WITH QRH SHGN 31JAN20 02:29 PHX U #1 HYD QTY AT A/C BLOCK IN WAS 2.2 & PER CREW DEBRIEF DID NOT GO BELOW 1.9 DURING FLIGHT. FACT 31JAN20 12:22 PHX R&R'D RIGHT EDP (LOWER) IAW AMM: 29-11-20-4-1. OPS CHECK GOOD. A/C OK FOR SERVICE.