ROBINSON R22 , R22 Alpha, R22 Beta, R22 Mariner, R44 and R44 II helicopters [Docket No. FAA-2010-0711; Directorate Identifier 2008-SW-25-AD; Amendment 39-16521; AD 2010-24-03] – Visually inspect each tail-rotor control pedal bearing block support for cracks, measure the thickness of each support...

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