AD 2006-23-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 757 | Airworthiness Directives; Boeing Model 757 Airplanes |
Unsafe Condition
Flightcrews experienced unintended roll oscillations during final approach, just before landing, which could result in loss of directional control of the airplane, and consequent airplane damage and/or injury to flightcrew and passengers.
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Required Actions
Install a control wheel damper assembly at the first officer's drum bracket assembly and aileron quadrant beneath the flight deck floor in section 41; perform a functional test and adjustment of the new installation; and conduct related investigative/corrective actions if necessary. For certain airplanes, also perform an additional adjustment test of the re-located control wheel position sensor, and an operational test of the flight data recorder and the digital flight data acquisition unit. Install vortex generators (vortilons) on the leading edge of the outboard main flap on certain airplanes.
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Compliance Time
Within 24 months of the effective date (December 21, 2006).
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Affected Aircraft
Boeing Model 757 airplanes, as specified in the AD, with certain configurations or equipment installations.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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