As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB-OUT OF DAY, THE CARGO DOOR WARNING LIGHT CAME ON. THE AIRCRAFT RETURNED TO DAY FOR MAINTENANCE. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE GANGBAR MICROSWITCH OUT OF ADJUSTMENT. THE SWITCH WAS ADJUSTED IAW THE ATI DC-8 MM AND OPS CHECKED. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)