Entreprise · 05/05/19941 min de lecture
Airworthiness Directives; Israel Aircraft Industries (IAI) Model 1125 Westwind Astra Airplanes
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Résumé
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain IAI Model 1125 Westwind Astra airplanes. This proposal would require relocation of the ground cable in the slat power drive unit. This proposal is prompted by a report that the drive system for the leading edge slat stopped in transit during flight on a Model 1125 Westwind Astra airplane. This incident was caused by an improper ground connection for the electric motor of the slat drive system, which resulted in arcing and an open electrical circuit. The actions specified by the proposed AD are intended to prevent possible fuel vapor fire due to electrical arcing in an area where fuel vapors might be present and the inability to move the slats during flight due to an open electrical circuit.