As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH MAIN WOULD NOT EXTEND. EMERGENCY EXTENTION REQUIRE TO GET GEAR DOWN. R & R THE MLG SELECTOR VALVE IAW AMM. PERFORMED OPS CHECK OF THE MLG EXTENSION, RETRACTION SYSTEMS IAW AMM. ACFT EXTENSION, RETRACTION SYSTEMS, OPS CHECKED GOOD.