AD 2010-06-09

final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F Series Airplanes

AD Number
2010-06-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-0221
FR Citation
75 FR 12657

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Model 777-200 Airworthiness Directives; The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F Series Airplanes

Unsafe Condition

Inadvertent engagement of the autopilot on the ground during lower-speed takeoff roll can result in higher-than-normal control column forces at takeoff rotation, leading to rejected takeoff at rotation speed and possible runway overrun. Additionally, an error in the pitch command law of the autopilot flight director computer (AFDC) can cause a lower-than-optimal climb gradient during a one-engine takeoff, increasing the risk of failing to clear obstacles.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install new operational program software for the left, center, and right AFDCs to disengage the autopilot when flaps are extended and the airplane is on the ground or below 50 feet above ground level. The new software must also maintain the initial engine-out takeoff pitch target for a longer duration and target a velocity to maximize climbout performance.

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Compliance Time

Within 90 days after the effective date of this AD.

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Affected Aircraft

The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗ Find More ADs for Boeing Company Model 777-200

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