As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU - FLT 760 - IN FLIGHT EMERGENCY DECLARED IN CRUISE HYD QTY DROPPED TO HALFWAY ON QTY GAUGE, FOLLOWED BY AN ODOR OF HYD FLUID (NOXIOUS). AIRCRAFT LANDED IN MIAMI WITHOUT INCIDENT. INVESTIGATION REVEALED FLUID ESCAPING FROM CARGO DOOR SWIVEL JOINT. REMOVED AND REPLACED SWIVEL AND AUX PUMP PRESSURE LINE. OPS CHECK OK IAW MM 29-20-2, 52-38-1 AND 20-60-0. (M)