AD 94-19-05

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace Model BAC 1-11-200 and -400 Series Airplanes

AD Number
94-19-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
94-NM-138-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

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

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.

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

Compliance Time

Within 30 days after the effective date of this AD (October 6, 1994).

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

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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