AD 2001-12-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-800 | Airworthiness Directives; Boeing Model 737-800 Series Airplanes |
Unsafe Condition
Severe vibration of the horizontal stabilizer following deployment of the speedbrakes, which could result in severe damage to the horizontal stabilizer and loss of controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual (AFM) to prohibit operating the airplane at speeds in excess of 300 knots indicated airspeed (KIAS) with speedbrakes extended. The revision must be completed within 24 clock hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 clock hours after the effective date of the AD.
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Affected Aircraft
All Boeing Model 737-800 series airplanes, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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