AD 94-19-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 200 Series | Airworthiness Directives; British Aerospace Model BAC 1-11-200 and -400 Series Airplanes |
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; British Aerospace Model BAC 1-11-200 and -400 Series Airplanes |
Unsafe Condition
Cracking of rudder pedal pivot brackets, elevator pivot levers, and aileron pulley brackets (manufactured from L53 aluminum alloy casting material) due to residual stresses, mechanical loading, and material properties changes associated with aging, which could lead to structural failure of these components and loss of integrity of the primary flight control system.
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Required Actions
Revise the AFM Limitations Section to restrict flight control reversion to manual operation only during emergencies. Conduct detailed visual inspections for cracking of elevator pivot levers every 18 months, replace any cracked parts with serviceable ones, and apply water displacing fluid. Compliance with British Aerospace Alert Service Bulletin 27-A-PM6025 is required.
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Compliance Time
Within 30 days after the effective date of this AD (October 6, 1994).
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Affected Aircraft
British Aerospace Model BAC 1-11-200 and -400 series airplanes with rudder pedal pivot brackets, elevator pivot levers, or aileron pulley brackets manufactured from L53 aluminum alloy casting material as specified in Alert Service Bulletin 27-A-PM6025.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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