As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN LANDING GEAR SELECTED DOWN, NOSE AND MAIN LANDING GEAR DID NOT EXTEND. ALL RED GEAR UNSAFE LIGHTS ILLUMINATED. WHEN ALTERNATE EXTENDED GEAR OPS NORMAL, GEAR DOWN LOCKED (GREEN) ILLUMINATED. MADE UNEVENTFUL LANDING. ADDITIONAL INFO IS TO FOLLOW.