AD 84-03-52 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-11 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-12 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-13 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-14 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-15 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-15F | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-21 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-31 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 (VC-9C) | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes |
Unsafe Condition
Degradation of available roll control, possible loss of an engine at critical flight regime, and/or loss of normal MLG retraction/extension capability.
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Required Actions
Within five calendar days after the effective date, open left and right inboard MLG doors and install doorkeepers; locate an area convenient to the secondary latch or bracket to install safety wire securing the lateral control mixer shield assembly; ensure the shield is properly secured and safety wired upon closing, verified and recorded prior to further flight; remove doorkeepers and close MLG doors. Alternate means may be used if approved.
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Compliance Time
Within five (5) calendar days after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model DC-9 and Military C-9 series 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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