AD 84-03-52 R1

final rule
Data completeness: 70%

Airworthiness Directives; McDONNELL DOUGLAS DC-9 and Military C-9 Series Airplanes

AD Number
84-03-52 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within five (5) calendar days after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

McDonnell Douglas Model DC-9 and Military C-9 series airplanes, certificated in all categories.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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