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Cessna Service Bulletin SB09-34-11

December 18, 2009

Reason:  To provide new stepped design static port buttons that are designed to enhance the accuracy of the altitude and airspeed indications.

Description:  The existing static port buttons shall be replaced with the new stepped type static port buttons as specified in this SB.

Compliance:  Mandatory; shall be accomplished within the next 12 months or at the next scheduled annual type inspection, whichever occurs first.

CREDIT:  30 Nov 2010

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