AD 84-03-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series |
Unsafe Condition
The installation of certain components listed by serial number in Table I of this AD in the landing gear assembly could result in failure of the fuel tank pump conduits due to inadequate design or manufacturing conformity.
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Required Actions
Within 180 days from the effective date, determine if any components listed in Table I are installed. Replace affected components with approved parts before further flight. Prohibit future use of listed components unless manufacturer confirms conformity to type design.
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Compliance Time
within 180 days from the effective date of this AD
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Affected Aircraft
Boeing Model 747 (747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-SP series) and McDonnell Douglas Model DC-9 and DC-10 series airplanes. Components purchased prior to January 1, 1979, or obtained from Boeing, Douglas, or Cleveland Pneumatics as spares are excluded.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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