As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(B18712) HYD-1 QTY LOW 'LESS THAN 0.34' MESSAGE DURING CRUISE. INSPECTION FOUND EDP NR 1 DAMPER CONNECT HOSE B-NUT LOOSE. INSPECTED HYD NR 1 PRESSURE MODULE DELTA P INDICATED NORMAL. REPLACED EDP NR 1 & CSAE DRAIN FILTER. ENG RUN UP TEST NORMAL.