Challenger service bulletin releases—Latest updates 

 Challenger 3X0 aircraft:  

100-26-01, Basic / 350-26-001, Rev 01 

Modification – Fire Protection – Replacement of the Fire Detection and Extinguishing (Firex) Control Unit 

Challenger 6XX aircraft: 

650-32-030 Basic 

Modification – Nosewheel Steering – Replacement of Potentiometer Universal Coupling (T16-6) Setscrews 

650-25-018, Basic  

Modification – Side Panels – Window Shade Replacement 

600-0782, Basic / 601-1114, Basic / 605-32-010, Basic / 604-32-033, Basic / 650-32-007, Basic 

Modification – Nosewheel Steering – Replacement of Potentiometer Universal Coupling (T16-6) Setscrews 

These documents are available here.  

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Wheel bin support structure – Corrosion protection improvement

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Wing leading edge – Interslat dog bone seal