As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF AIRCREW REPORTED THAT THEY WERE RECEIVING THE GEAR INTRANSIT LIGHT AND THAT THE HYD PUMP WAS CONTINUING TO OPERATE. ASKED AIRCREW TO CYCLE THE GEAR TO GET IT UP AND LOCK-- NO FIX. AIRCRAFT RETURNED TO IAD WITH NO FURTHER ISSUES.