Superseded. This AD was superseded by AD 2023-12-05. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2022-03-05
Effective 01/27/2022 · Published 01/27/2022
Airworthiness Directives; The Boeing Company Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 747-8F and 747-8 series airplanes and Model 777 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 this i…