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Friday, June 1, 2007

NTSB Faults Maintenance in Fatal Crash

The December 19, 2005 crash of a Chalk’s Ocean Airways Grumman G-73T Turbo Mallard in Miami was placed squarely in the lap of the maintenance team. This week the NTSB released the probable cause and according to Matt Fox, NTSB’s materials group chairman, a doubler repair on the Mallard’s right wing (which separated from the aircraft shortly after takeoff) failed because a row of fasteners were, “installed through sealant instead of intact skin, which means the load was not properly transferred between the intact structure and the doublers.” Also, the repair team did not deal with the cracked stringer, “which was the underlying problem for the majority of the skin cracking.” For Related News
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