As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON THE 1430 FLIGHT, AFTER DEPARTURE THE PILOTS FELT A SHUDDER IN THE AIRFRAME. THE HYD PRESSURE GAUGE READ ZERO. THEY DECLARED AN EMERGENCY AND LANDED SAFELY. MX FOUND THE LT OTBD HYD LINE RUPTURED. R & R WITH A SERVICEABLE LINE (PN 159H10007-4C). COMPLIED WITH ALL OPS CHECKS AND RETURNED TO SERVICE.