As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW LEVEL ON THE GREEN HYDRAULIC SYSTEM EN ROUTE. EMERGENCY DECLARED. FOUND EVIDENCE OF HYDRAULIC LEAK DURING POST FLIGHT INSPECTION. FOUND HYDRAULIC SYSTEM LINE B-NUT LOOSE. RE-TIGHTEN B-NUT IAW AMM NR 20-21-12 AND PRESSURIZATION CHECK PERFORMED IAW JIC NR 29-00-00-PAD-10010. OPS CHK GOOD.