As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - AIRCRAFT RETURNED TO FIELD WHEN THE CREW RECEIVED A FUSELAGE DOORS WARNING ON ROTATION. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE FORWARD CARGO DOOR PROXIMITY SWITCH SAFETY WIRE OBSTRUCTING TARGET. THE PROXIMITY SWITCH WAS RE-SAFETY WIRED AND OPERATIONAL CHECKS WERE GOOD. NO PARTS WERE REPLACED. AIRCRAFT RETURNED TO SERVICE.