As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3549, AFTER CLIMB OUT, CREW REPORTED THEY RECEIVED HYD 1 LOW QUANTITY MESSAGE AND THEN RECEIVED AN E1 HYD PUMP FAIL MESSAGE. THE CREW DECLARED AN EMERGECNY AND RETURNED TO DEPARTURE. LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED ENGINE NR 1 HYD PUMP AND PRESSURE HOSE IAW AMM 29-10-03. OPS CHECKED GOOD. NO LEAKS FOUND. AIRCRAFT RETURNED TO SERVICE.