What was found
GEG FLIGHT NR 2207 AT FL220 TOTAL PRESSURIZATION FAILURE. DESCENDED TO 80. LANDED WITHOUT INCIDENCE. MAINTENANCE REMOVED AFT BAG DOOR AND PERFORMED BENCH RIGGING. RE-INSTALLED AFT CARGO DOOR IAW AMM TASK 52-30-00-400-801 COMPLIED WITH ADJUSTMENT OF BAGGAGE DOOR ON AIRCRAFT IAW AMM TASK 52-30-00-820-801. OPERATIONAL TEST GOOD. PRESSURIZED AIRCRAFT AND CHECKED DOOR IAW TASK 52-30-00-820-801. NO LEAKS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.