As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON CLIMBOUT, RT MAIN GEAR REMAINED DOWN WITH GEAR HANDLE RAISED. CYCLED GEAR PER POM PROCEDURES. GEAR REMAINED DOWN. FLT RETURNED TO CVG. REPLACED UPLOCK ACTUATOR AND SEQUENCE VLV. DID RETRACTION AND EXTENT CHECK. ALSO, MANUAL EXTENT CHECK PER M/M CHAP 32, OPS NORMAL.