FAA Orders Boeing 777 Autopilot Software Update
Published Date: 3/28/2025
Rule
Summary
If you fly certain Boeing 777 planes, heads up! The FAA found a problem where the autopilot might give tricky landing signals, making the plane descend too fast. To fix this, airlines need to update the autopilot software soon, keeping flights safe without breaking the bank.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Required autopilot software update for certain 777s
If an operator uses Boeing Model 777-200, -200LR, -300, -300ER, or 777F airplanes, the FAA requires installing new autopilot flight director computer (AFDC) operational program software and performing a software configuration check. The directive responds to a glideslope (G/S) beam anomaly that resulted in a higher-than-expected descent rate during an ILS approach and could cause misleading flight director guidance after autopilot disconnect. The FAA issued this airworthiness directive to address that unsafe condition on those airplanes.
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