AD 2006-10-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE | Systems (Operations) Limited Model BAe 146 | Airworthiness Directives; BAE Systems (Operations) Limited Model BAe 146 Airplanes and Model Avro 146-RJ Airplanes |
Unsafe Condition
Deterioration of flight control surface bearings leading to corrosion and freezing of moisture inside the bearings, which could result in flight control restrictions and reduced controllability.
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Required Actions
Replace the elevator servo tab hinge bearings, elevator servo tab mechanism bearings, elevator trim tab hinge bearings, and elevator trim tab drive rod bearings with new bearings. Follow the procedures in BAE Systems (Operations) Limited Inspection Service Bulletin ISB.27-177, Revision 1, Part 1 of the Accomplishment Instructions.
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Compliance Time
Within 500 flight hours after the effective date of this AD.
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Affected Aircraft
All BAE Systems (Operations) Limited Model BAe 146-100A, -200A, and -300A series airplanes; and Model Avro 146-RJ70A, 146-RJ85A, and 146-RJ100A airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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