G5000-equipped Textron Model 560XL aircraft with System Software Version 3343.01 are affected.
This STC Service Bulletin is not applicable to G5000-equipped aircraft with System Software Version 3343.00.
STC ST01918WI MDL Revision 14
Mandatory: This STC Service Bulletin must be accomplished within 180 calendar days or the next scheduled service interval; whichever occurs first.
G5000 System Software Version 3343.02 improves and smooths autopilot pitch axis response with large VNAV flight path changes.