As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TEST FLIGHT, LT HYD QTY DEPLETED TO ZERO. AFTER ACCOMPLISHING THE ALTERNATE GEAR EXTENSION PROCEDURE, DECLARED EMER & RETURNED. UPON INSPECTION OF THE MLG WW FOUND HYD LEAKING FROM MLG SELECTOR VLV. AFTER REMOVAL FOUND THE HOUSING CRACKED ON THE SELECTOR VLV. R & R MLG SELECTOR VLV IAW AMM 32-31-02-4. SERVICED LT HYD RESERVOIR IAW AMM 12-12-01-3. PERFORMED LEAK & OPERATIONS CHECK IAW AMM 32-31-02-4.