Negócios · 23/06/20101 min de leitura
Airworthiness Directives; The Boeing Company Model 777-200LR and -300ER Series Airplanes
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Resumo
We are adopting a new airworthiness directive (AD) for certain Model 777-200LR and -300ER series airplanes. This AD requires doing a high frequency eddy current inspection for cracking of the keyway of the fuel tank access door cutout on the left and right wings between wing rib numbers 8 (wing station 387) and 9 (wing station 414.5), and related investigative and corrective actions if necessary. This AD results from reports of cracks emanating from the keyway of the fuel tank access door cutout of the lower wing skin between wing rib numbers 8 and 9. We are issuing this AD to prevent loss of the lower wing skin load path, which could cause catastrophic structural failure of the wing.