DETROIT, MI, USA
N800AA
BOEING 727-223
THE PIC MADE AN UNSCHEDULED LANDING FOLLOWING DECOMPRESSION AT 30,000 FEET. THE AIRCRAFT HAD BEEN WRITTEN UP BY FLIGHTCREWS NUMEROUS TIMES BETWEEN MAY 7 AND MAY 9 FOR PRESSURIZATION PROBLEMS. PRESSURE BULKHEAD AT STATION 940 IN THE RIGHT WHEEL WELL CRACKED 15 1/2 INCHES DUE TO FATIGUE. AIRCRAFT HAD FLOWN 55,437 HOURS AND HAD 39,983 CYCLES AT THE TIME OF DECOMPRESSION, ONE OF THE HIGHEST HRS AND CYCLES IN THE AMERICAN FLEET. BOEING AIRCRAFT ISSUED A SERVICE BULLETIN DATED MAY 4, 1979 WHICH WAS NOT COMPLIED WITH THAT ADDRESSED THE ISSUE OF BEAD CRACKING IN THE 940 STATION WHEEL WELL PANEL.
Source: NTSB Aviation Accident Database
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