FAA Orders Boeing 787 Transponder Fixes to Prevent Signal Loss
Published Date: 6/13/2025
Proposed Rule
Summary
If you fly or work with Boeing 787 planes, heads up! The FAA wants to fix a problem where the plane’s transponder can lose signal because of interference. They’re asking to swap out some key hardware soon to keep flights safe and smooth, which might cost some time and money but is totally worth it.
Analyzed Economic Effects
1 provisions identified: 0 benefits, 1 costs, 0 mixed.
Boeing 787 transponder hardware replacement
The FAA proposes a new airworthiness directive for certain Boeing Model 787-8, 787-9, and 787-10 airplanes. The proposed AD would require replacing the left and right integrated surveillance system processor unit (ISSPU) hardware after reports that transponders lost signal in the presence of continuous wave (CW) interference and did not meet the minimum operational performance standards (MOPS) requirement.
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