FQISFuel Quantity Indicating System
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13 to determine if clearance exists between the FQIS wire harness and the refuel tube and tube coupling, as well as to detect any loose or broken refuel tube clamp or bracket or chafing of the FQIS harness, and corrective actions if necessary.
This AD also requires the installation of bonding jumpers, a one time operational check of the FQIS system and corrective action if necessary.