Boeing and Southwest Airlines have asked the FAA to delay mandating inspections on Boeing 717 fuselage frames, so the original equipment manufacturer (OEM) can stock necessary spares and assess new data that indicate fatigue cracking in overwing frames is occurring sooner than expected. The problem has been found on more than 40 MD-80s—each with at least 19,600 cycles—and one MD-90, and this has already prompted the FAA to issue airworthiness directives (ADs) in 2008 and 2010 addressing ...
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