AD 89-21-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A | BRITISH AEROSPACE Model BAe 125-800A Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A (C-29A) | BRITISH AEROSPACE Model BAe 125-800A Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A (U-125) | BRITISH AEROSPACE Model BAe 125-800A Series Airplanes |
Unsafe Condition
Collapse of the engine exhaust duct equipped with Grumman Aerospace Corporation Part No. C46P13100-3 or C46P13100-103.
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Required Actions
Replace the left and right engine exhaust ducts in accordance with British Aerospace Service Bulletin 71-40-3213A, Revision 2, dated April 12, 1989. An alternate means of compliance or adjustment of the compliance time may be used if approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199 to operate to a base for AD compliance.
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Compliance Time
within 180 days after the effective date of this AD
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Affected Aircraft
Model BAe 125-800A series airplanes equipped with Grumman Aerospace Corporation engine exhaust duct Part No. C46P13100-3 or C46P13100-103 (not applicable to airplanes with Dee Howard thrust reversers)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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