As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT MLG DID NOT LOCK DOWN. COMPLIED WITH GEAR DISAGREE QRH. CYCLED GEAR UP THEN DOWN & ON SECOND GEAR DOWN ATTEMPT RECEIVED ALL THREE DOWN-GREEN INDICATIONS. FLT#6299 REPLACED THE MLG SELECTOR VALVE IAW AMM. PN ON/OFF 750005000 SN ON 0281 SN OFF 0195.