AD 72-07-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2A | Airworthiness Directives; Hawker Siddeley Model DH-114 Series 2 "Heron" Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; Hawker Siddeley Model DH-114 Series 2 "Heron" Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; Hawker Siddeley Model DH-114 Series 2 "Heron" Airplanes |
Unsafe Condition
Failure of the air bottles, P/N B.2994, used in the two main air reservoir assemblies, P/N C.51626, of the pneumatic system.
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Required Actions
Replace the main air reservoir assemblies, P/N C.51626, with serviceable assemblies, P/N SAS.388-001, containing air bottles P/N BAT.205-001.
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Compliance Time
on or before September 1, 1972
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Affected Aircraft
Hawker Siddeley Model DH-114 Series 2 "Heron" airplanes including D.H.114 Heron Series 2A, D.H.114 Heron Series 2DA, and D.H.114 Heron Series 2X models.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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