Superseded. This AD was superseded by AD 2023-13-15. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2023-03-06
Effective 03/13/2023 · Published 02/24/2023
Airworthiness Directives; Bombardier, Inc., Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for all Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by the determination that radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G C-Band), and a recent determination that this interference can res…