As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM TOL, THE FLIGHT CREW NOTICE A DECLINED IN THE MAIN HYDRAULIC QUANTITY SYSTEM. THE FLIGHT RETURNED TO TOL FOR AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED THE AIRCRAFT LOCATING A RUPTURED LEFT AILERON SWIVEL GLAND. MAINTENANCE REPACKED THE SWIVEL GLAND AND PERFORMED A SUCCESSFUL OPERATIONAL CHEKCK IN ACCORDANCE WITH THE MAINTENANCE MANUAL. THE AIRCRAFT WAS RETURNED TO SERVICE.