What was found
AFTER TAKEOFF, THE AFT CARGO DOOR WARNING LIGHT ILLUMINATED. RETURNED TO DTW WITHOUT FURTHER INCIDENT. FOUND THE LOWER CARGO NET PIN BETWEEN THE DOOR AND DOOR JAMB. INSPECTED THE DOOR AND SWITCH, NO TROUBLE FOUND.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, THE AFT CARGO DOOR WARNING LIGHT ILLUMINATED. RETURNED TO DTW WITHOUT FURTHER INCIDENT. FOUND THE LOWER CARGO NET PIN BETWEEN THE DOOR AND DOOR JAMB. INSPECTED THE DOOR AND SWITCH, NO TROUBLE FOUND.