What was found
ON AUGUST 6TH, WHILE EN ROUTE AT AN ALTITUDE OF 35,000 FEET, THE CREW EXECUTED AN EMERGENCY DESCENT DUE TO A "CABIN ALTITUDE" LIGHT. THE CREW CONTINUED ON TO FXE UNEVENTFULLY. AFTER TROUBLESHOOTING THE PRESSURIZATION SYSTEM, IT WAS DETERMINED THAT THE PRESSURIZATION CONTROLLER P/N 10-1443, THAT HAD BEEN INSTALLED IN OVERHAULED CONDITION THE PREVIOUS WEEK, HAD FAILED. THE CONTROLLER WAS REPLACED AND THE SYSTEM IS WORKING NORMALLY. (S)