As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HLN - FLT 2583 - CARGO DOOR WARNING LIGHT CAME ON IN FLIGHT, CREW DIVERTED TO NEAREST STATION. DOOR CLOSING PROCEDURES OF DOOR IS HARD TO CLOSE. MAINTENANCE INSPECTED THE CARGO DOOR AND LATCHING SYSTEM. FOUND NO OBVIOUS DEFECTS. CLEANED, LUBED AND CHECKED CLICK CLACKS AND SWITCHES. NO PROBLEMS WERE FOUND. AN OPERATIONAL CHECK FLIGHT WAS PERFORMED. NO DEFECTS WERE NOTED DURING THE OCF. (M)