Superseded. This AD was superseded by AD 2023-12-11. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2022-03-20
Effective 01/31/2022 · Published 01/31/2022
Airworthiness Directives; The Boeing Company Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-8, 737-9, and 737-8200 airplanes. This AD was prompted by a 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, during takeoffs and landin…