AD 76-07-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2A | Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-114 Heron Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-114 Heron Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-114 Heron Airplanes |
Unsafe Condition
Cracks in the nose landing gear inner casing could lead to possible collapse of the nose landing gear upon landing.
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Required Actions
Inspect the nose landing gear inner casing for cracks within 50 hours time in service after the effective date, and every 600 hours thereafter. Replace the casing with a new or inspected serviceable part if cracks are found, before further flight.
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Compliance Time
Within the next 50 hours time in service after the effective date, unless already accomplished within the preceding 600 hours time in service, and thereafter at intervals not to exceed 600 hours time in service from the last inspection.
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Affected Aircraft
de Havilland Aircraft Co., Ltd., The Model D.H.114 Heron Series 2A, 2DA, 2X airplanes not altered per Heron Modification 1612.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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