As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR HANDLE COULD NOT BE RETRACTED INTO UP POSITION. LANDING GEAR HAD TO BE BROUGHT UP MANUALLY. SUPPLEMENTAL DATA UPDATE REPLACED LANDING GEAR ACCESSORY UNIT. ACCOMPLISHED WIRING CHECK BETWEEN LEVER LATCH SOLENOID AND LANDING GEAR ACCESSORY UNIT. ALSO ACCOMPLISHED WIRING CHECK BETWEEN AIR /GROUND SENSORS AND LANDING GEAR ACCESSORY UNIT. FUNCTION TESTS OK.