What was found
CLE - FLT 232 - EN ROUTE FROM CLT TO CLE, CREW REPORTED THAT APPROXIMATELY 110 MILES SOUTH OF CLE AT FL250, THE AIRCRAFT EXPERIENCED A LOSS OF CABIN PRESSURE. CREW DECLARED AN EMERGENCY AND ACCOMPLISHED AN EMERGENCY DESCENT TO 10,000 FEET AND CONTINUED ONTO CLE. OXYGEN MASK DID DEPLOY. FLIGHT LANDED WITHOUT FURTHER INCIDENT. S/D - MAINTENANCE FOUND THE DUCTING AT THE RIGHT AIR CYCLE MACHINE DETACHED. REATTACHED DUCTING. REMOVED AND REPLACED RIGHT PACK FLOW CONTROL VALVE, P/N 396442-1, FOR FAILING SINGLE PACK CONFIDENCE CHECK. ALSO, REMOVED AND REPLACED THE RIGHT PACK 35 DEGREE SENSOR, P/N B7040-2, AND THE RIGHT WATER SEPARATOR P/N 183010-4, FOR BROKEN SCREEN INSIDE. REMOVED AND REPLACED OXYGEN GENERATORS