As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR LEVER WOULD NOT EXTEND THE LANDING GEAR. PERFORMED QRH PROCEDURE LANDING GEAR EXTENSION BY ELECTRICAL OVERRIDE AND THE GEAR EXTENDED. (FLT 7413) REPLACED LANDING GEAR CONTROL MODULE IAW AMM. PERFORMED GEAR SWINGS AND OPS CHECK GOOD.