As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT GO UP AFTER TAKEOFF CREW STATED THAT HAND WAS MOVED TO THE OFF POSITION BUT COULD NOT MOVE TO THE UP POSITION. FOUND GROUND SPOILER INTERLOCK VALVE CABLE DISCONNECTED WITH SAFTEY WASHER MISSING, CABLE HAS NO DAMAGE. INSTALLED NEW SAFTEY WASHER AND RECONNECTED CABLE REF AMM 27-62-51-400-801. OPS AND RIG CHECK PASSED REF AMM 27-62-00-820-811 ADD EMP:U090046,U230217