As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C DIVERTED TO GJT DUE TO AFTER TAKEOFF THE RIGHT GEAR DOOR WOULD NOT CLOSE. THE CREW RECYCLED THE GEAR AND THE RIGHT MAIN DID NOT EXTEND. MX REPLACED THE PSEU AND SEQUENCE CALVE. SELECTOR VALVE P/N 57420-5A, S/N 938, TSN 1347 CSN 1318 WAS ALSO REPLACED.