As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 1 LOW PRESS CAUTION-QTY READS DASHES.PSI FOR HYD 1 READS "00" ENGINE DRIVEN PUMP RAN DRY FOR 33 MIN IN FLIGHT. C/W QRH PER MX CONTROL DOCUMENTATION EDP WAS CHANGED AND IT APPEARS A FLEX HOSE WAS CHANGED AS WELL. LEAK CHECK WAS GOOD.