As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNSAFE UP INDICATION AFTER SELECTING GEAR UP. ALL GEAR INDICATED UNSAFE. GEAR DOOR OPEN LIGHTS REMAINED ON, ALL PUMPS WERE CHECKED ON AND HYD PRESS WAS GOOD. REMOVED AND BEGAN INSTALLING LANDING GEAR CONTROL VALVE PER 32-32-01. COMPLETED LANDING GEAR CONTROL VALVE CHANGE AS PER MCC REQUEST REF MM32-32-01-201. GEAR OPS CHK GOOD.