As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT LOST CABIN PRESSURIZATION AT FL 350. OXYGEN MASKS DROPPED AUTOMATICALLY. ACCOMPLISHED EMERGENCY DESCENT AND LANDED AT SCHEDULED STATION, AUS. DEFERRED AUTO PRESSURIZATION CONTROL PER MEL AND OPERATED TO STL. AT STL REPLACED THE AUTO PRESSURIZATION CONTROLLER AND PERFORMED A HULL LEAK CHECK AND TEST. CHECK-C 4-21-99 STL.