As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT NOTED THE HYD LIGHT ON DUE TO LOSS OF PRESSURE IN MAIN ACCUMULATOR AND HYD QUANTITY READING ZERO. PERFORMED AN EMERGENCY GEAR EXTENSION IAW QRH AND HAD AN UNEVENTFUL LANDING. MAINT INSPECTED THE AC AND FOUND THE HYD SWIVEL IN THE RT MAIN GEAR WELL PN L38710SA BROKEN. THE PART WILL BE REPLACED AND THE ENTIRE HYD SYS INSPECTED PRIOR TO THE AC RETURNED TO SERVICE. (K)