As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION 3 NORMAL INDICATIONS SHOWED. SHORTLY AFTER R/H MLG CYCLED TO LOCKED / UNLOCKED POSITION CONTINUOUSLY.........JACKED AND SWUNG GEAR ISSUE WAS VISIBLE ALSO ASSOSIATED WITH HYD THUMPING. R&R'D R/H MLG UPLOCK BOX IN REF TO AMM 32-33-10-000/400-801-A. OPS CHECK LEAK CHECK GOOD. RETURNED AIRCRAFT TO NORMAL CONFIGURATIONS OK FOR SERVICE.