AD 84-20-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2A | Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes |
Unsafe Condition
Fatigue failure of the tailplane upper pick-up eyebolts.
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Required Actions
Remove the eyebolts, modify the eyebolt holes, and install new eyebolts in accordance with British Aerospace Aircraft Group Technical News Sheet No. F.21, Issue 1, dated January 8, 1979. Alternate means of compliance may be used if approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.
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Compliance Time
within 90 days after the effective date of this AD
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Affected Aircraft
British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X airplanes certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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