Maintenance and Modifications
RBR Maintenance Offers Aileron Rebalancing for Hawker 800 with API Winglets
RBR Maintenance is offering a flat-rate aileron rebalancing to restore API-wingletted Hawker 800s to their maximum altitude.
RBR Maintenance is offering a flat-rate aileron rebalancing to restore API-wingletted Hawker 800s to their maximum altitude.

Last May, Aviation Partners issued Service Bulletin SBH-13-001 limiting winglet-equipped 800-series Hawkers to a maximum permissible altitude of 34,000 feet. The result of reported vibrations and aileron/wing oscillations, the SB prompted the FAA to issue an Airworthiness Directive calling for operators to comply with the service bulletin within 45 days. Subsequently API found that rebalancing the ailerons to a new tolerance forward of the hinge line offers a solution to the vibrations and wing oscillations and, once completed, this clears the way for operators to use the airplane’s 41,000-foot ceiling.

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