What was found
ON SCHEDULED FLT 604, DURING LANDING, THE CAGO DOOR ANNUNCIATOR ILLUMINATED. INVESTIGATION REVEALED THAT UPON ARRIVAL TO THE GATE THE CARGO DOOR HANDLE WAS OPEN APPROXIMATELY 1 INCH. FURTHER INVESTIGATION REVEALED THAT THE CARGO DOOR OVERCENTERING SPRING WAS WEAK. THE CARGO DOOR OVERCENTERING SPRING WAS REPLACED AND OPERATIONAL CHECKED SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)