As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE FOLLOWING HAS BEEN REPORTED TO MFG: EXPERIENCED A HYDRAULIC FAILURE AND HYDRAULIC LIGHT. THE SYS CAME BACK ON AFTER 5 SECONDS AND ON RETURN TO THE MAINTENANCE FACILITY THE PILOT REPORTED AN UNUSUAL NOISE COMING FROM THE TRANSMISSION DECK AREA. THE DEFECT WAS TRACED TO THE PRESSURE RELIEF VALVE, NO FURTHER DEFECTS WERE NOTED.