What was found
LOSS OF CABIN PRESSURIZATION OCCURRED AT 29,000 FEET. OXYGEN MASKS WERE DEPLOYED THROUGHOUT THE CABIN AND EMERGENCY DESCENT WAS MADE TO 11,000 FEET. CABIN PRESSURE WAS REGAINED AND THE AIRCRAFT CONTINUED TO DESTINATION. AN UNEVENTFUL LANDING WAS ACCOMPLISHED IN MSP. MAINTENANCE REPLACED THE CABIN PRESSURE CONTROLLER, OPERTIONAL CHECK NORMAL.