As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- AFTER TAKEOFF AND GEAR UP SELECTED, NOSE GEAR DID NOT FULLY RETRACT. RED UNSAFE LIGHT AND THREE AMBER GEAR DOOR LIGHTS ILLUMINATED FOR ONE MINUTE, THEN HEARD NOSE GEAR COME UP AND ALL LIGHT WENT OUT. ADJUSTED NOSE LANDING GEAR MECHANICAL SEQUENCE VALVE. REMOVED AND REPLACED NOSE LANDING GEAR DOOR ACTUATOR, NOSE LANDING GEAR DRAG STRUT PROXIMITY SENSOR AND NOSE LANDING GEAR DRAG STRUT ACTUATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.