As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE CARGO DOOR WARNING LIGHT CAME ON. CREW RETURNED TO STATION. THE CARGO WARNING LIGHT STAYED ON. DOOR HANDLE CLOSURE OR MICROSWITCH RIGGING. ADJUSTED CARGO DOOR REAR BOTTOM BAYONET MICROSWITCH. ALL OTHER SWITCHES, CLICK CLACKS, AND WARNING SYSTEM WIRING WERE CHECKED, NO DEFECTS WERE NOTED. SYSTEM OPS CHECKED GOOD. (M)