What was found
ELP - UNSCHEDULED LANDING, AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. AIRCRAFT RETURNED TO POINT OF DEPARTURE AT ELP. THE CARGO DOOR DOWN SWITCH WAS FOUND TO BE INOPERATIVE AND APPEARED DAMAGED. THE SWITCH WAS REPLACED AND RIGGED PER THE AVTEC CARGO DORO MAINTENANCE MANUAL. THE AIRCRAFT WAS GROUND PRESSURIZED AND SYSTEM OPERATED NORMALLY. NO DEFECTS NOTED. (M)