As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THEY LOST HYD 1 SYSTEM PSI AND INDICATION SHOWED 0. CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LEAK ON LINE COMING FROM ENGINE DRIVEN PUMP AFT OF FLEX PRESSURE LINE. MAINTENANCE R & R NR 1 HYD PRESSURE LINE IAW AMM AND OPS CHECKED GOOD.