As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT HYDRAULIC SYSTEM QUANTITY/PRESSURE LOSS. LT HYD QTY 1 GALLON REMAINING. FOUND LT ENG EDP HYD PRESS LINE B-NUT LOOSE AT FIREWALL FITTING. TIGHTENED SAME. CHECKED CASE/PRESSURE FILTER MODULE POP-OUT OK. SERVICED HYD QTY OPS CHECK AND LEAK CHECK GOOD. HYD PRESS NORMAL.