Airworthiness Directives; DASSAULT AVIATION Model FALCON 900EX and MYSTERE-FALCON 900 Airplanes

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This document corrects a typographical error that appeared in airworthiness directive (AD) 2002-23-20 that was published in the Federal Register on November 29, 2002 (67 FR 71098). The typographical error resulted in an incorrect part number. This AD is applicable to Model FALCON 900EX and MYSTERE-FALCON 900 airplanes. This AD requires repetitive operational tests of the flap asymmetry detection system to verify proper functioning, and repair if necessary; repetitive replacement of the inboard flap jackscrews with new or reconditioned jackscrews; and repetitive measurement of the screw/nut play of the jackscrews on the inboard and outboard flaps to detect discrepancies, and corrective action if necessary. This AD also requires revision of the Airplane Flight Manual.