AD NUMBER: AD 2018-11-07

PRODUCT: All Saab AB, Saab Aeronautics Model SAAB 2000 airplanes.

ACTION: Final rule; request for comments.

SUMMARY: This AD requires a one-time inspection of the aileron bellcrank support brackets and a thickness measurement of the affected lug attaching the support bracket; repetitive inspections of the affected aileron bellcrank support brackets; and corrective actions if necessary.

This AD also provides an optional terminating action for the repetitive inspections.

This AD was prompted by the identification of a manufacturing defect on certain aileron bellcrank support brackets that resulted in the material thickness of the affected lug attaching the support bracket to the rear spar of the wing to be insufficient.

DATES: This AD becomes effective June 13, 2018. Comments must be received by July 13, 2018.

COST: The FAA estimates  that this AD affects 8 airplanes of U.S. registry. The costs of compliance are estimated as follows:

• Inspection - $225 per aircraft for 3 hours labor at $85 per hour.
• On-Condition Actions - Up to $19,434 per aircraft for parts and labor.

FMI: AD