As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST HYD NR 2 SYS ISOLATION VALVE, CAUTION LIGHT ILLUMINATED, HAD TO PERFORM ALTERNATE EXTENSION OF GEAR. HYD PRESSURE APPEARED NORMAL. INSPECTED AND FOUND NR 2 QTY AT 1 QT. INSTALLED TEMP FLEX LINE FROM RESERVOIR TO TEE FITTING. OPS AND LEAKED CHECKED GOOD.