As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A 100 MILES OUT OF SLC F/O NOTICED A LOSS OF HYDRAULIC QTY. CREW RAN CHECKLIST AND DECLARED AN EMERGENCY. LANDING WAS UNEVENTFUL. FOUND LT BOGIE SWIVEL UNLOCK CYC - RELIEF VALVE STUCK IN THE OPEN POSITION. REMOVED AND REPLACED LT RELIEF VALVE PER DEQ MM CH 32-53-02-2. NO LEAKS NOTED.