What was found
DURING CLIMB CLE-MSP, FOUND THAT THE AIRCRAFT WOULD NOT PRESSURIZE. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES, NO HELP. DIVERTED TO DTW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THAT THE AFT CARGO DOOR WAS NOT FULLY CLOSED AND LATCHED ON THE AFT SIDE, DUE TO AN UNSECURED CARGO NET AND JAMMED CLIP. THE FORWARD SIDE WAS CLOSED AND LATCHED AND THERE WAS NO ANNUNCIATOR INDICATION. ALSO, FOUND THAT THE DOOR WAS DIFFICULT TO CLOSE. RERIGGED THE DOOR PER 52-31-0, CODE 3. PRESSURE AND OPERATIONAL CHECK OK.