Airworthiness Directives; Fairchild Aircraft SA26, SA226, and SA227 Series Airplanes

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This amendment supersedes AD 93-19-06, which currrently requires repetitively inspecting acrylic cabin and cockpit side windows for cracks on certain Fairchild Aircraft SA26, SA226, and SA227 series airplanes, and, if cracks are found that exceed certain limitations, replacing that window. This action maintains the requirement of repetitively inspecting the cabin and cockpit side windows, and adds a life limit for the single-pane cockpit side windows. Acrylic window failures on the affected airplanes prompted this action. The actions specified by this AD are intended to prevent acrylic cabin or cockpit side window failures, which could result in airframe damage and decompression injuries.