AD NUMBER: 2019-08-12

PRODUCT: Certain Viking Air Limited Model CL-215-6B11 (CL-215T Variant) and CL-215-6B11 (CL-415 Variant) airplanes.

ACTION: Final Rule.

SUMMARY:  This AD was prompted by a report that a supplier fabricated Teflon parts with a charge of 15 percent fiberglass content instead of the specified 5 percent fiberglass content.

This AD requires repetitive detailed visual inspections of the aileron control system cables and flap interconnect system cables for damage or disconnected cables, corrective actions if necessary, and replacement of the Teflon parts in the aileron control systems, aileron/rudder interconnect, and aileron power unit beam.

The replacement of these parts terminates the repetitive inspections.

DATES: This AD is effective June 13, 2019.

COST: The FAA estimates  that this AD affects 1 airplane of U.S. registry. Operators may incur the following costs in order to comply with this AD:

• Labor: 66 work-hours × $85 per hour = $5,610 Parts: $16,456 Cost per airplane: $22,066.

FMI: AD