As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THERMO RELIEF VALVE WAS RELIEVING HYD PRESSURE AT 1950 PSI. PRESSURE SWITCH WAS SET TO TURN PUMP OFF AT 2075 PSI. THERMO RELIEF VALVE REPLACED AND PRESSURE RELIEF VALVE WAS FOUND TO BE RELEAVING AT 2050 PSI. PRESSURE RELIEF VALVE REPLACED SYSTEM OPERATED NORMALLY WITH REPLACEMENT VALVES INSTALLED. DURING TROUBLESHOOTING WIRING FOR GEAR SELECTOR WAS FOUND IN POOR CONDITION AND REPAIRED.