Challenger service bulletin releases

Challenger 3X0 Service Bulletins: 

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

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

100-45-04, Basic / 350-45-002, Basic 

Modification - Central Maintenance System – Portable Maintenance Access Terminal (PMAT) Update to Smart PMAT Image H 

100-46-07, Rev 03 / 350-46-005, Rev 03 

Modification – Aircraft Health Management System – Installation of the Learjet Inc. STC Aircraft Health Management System 

Challenger 6XX Service Bulletins: 

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 

605-34-005, Rev 11 / 650-34-005, Rev 05 

Modification – Radio Altimeter System – Installation of the Second Radio Altimeter 

605-34-038, Basic / 650-34-023, Basic 

Modification – Head-up Display/Enhanced Vision System (HUD/EVS) – New Wiring Provisions and Corrections to Collins HUD/EVS Installation STC 

605-34-039, Rev 01 / 650-34-024, Rev 01 

Modification – Radio Altimeter System – Introduction of Bandpass Filter to the Radio Altimeter to Prevent Interference from 5G Mobile Networks 

605-49-002, Basic 

Special Check/Rework – Exhaust, Auxiliary Power Unit (APU) – Inspection of Flapper Door Opening and Rework of Auxiliary Power Unit (APU) Exhaust Duct 

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