As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW RECEIVED A HYD SYS LOW QUANTITY LIGHT (ON THE "GREEN" SYS) IN THE COCKPIT. SYS QUANTITY AND PRESSURE WERE NOTED TO BE LOW ON THE COCKPIT INDICATIONS. THE ACFT LANDED UNEVENTFULLY. POST FLIGHT INSP REVEALED THAT THE STANDBY GENERATOR HYD SYS COOLER HAD LEAKED FROM A CRACK THAT APPEARS TO HAVE ORIGINATED AT A MFG WELDED SEAM. COMPONENT HAS BEEN RETURNED TO THE MFG FOR INSP AND ANALYSIS.