What was found
LOSS OF CABIN PRESSURE OCCURRED DURING CRUISE FLIGHT AT 33,000 FEET. CREW EXECUTED EMERGENCY DESCENT TO 16,000 FEET AND CABIN PRESSURE WAS REGAINED. FLIGHT CONTINUED TO DESTINATION AT CRUISE FLIGHT OF 24,000 FEET AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED FOR LEAKS AND CHECKED AUTO PRESSURIZATION SYSTEM. NO LEAKS OR PROBLEMS COULD BE FOUND. REPLACED THE RIGHT FLOW CONTROL VALVE AS A PRECAUTION, OPERATIONAL CHECK NORMAL.