AD 97-02-08 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-11 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-12 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-13 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-14 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-15 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-15F | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-21 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-31 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-32 | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-32 (VC-9C) | Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80 and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes |
Unsafe Condition
Failure of the piston of the outboard flight spoiler actuator due to fatigue at the clevis end of the upper lug mounting hole of the piston, which could result in fuel leakage and reduced structural integrity of the wings.
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Required Actions
Install external protective doublers between the outboard flight spoiler actuators and the aft spar webs of the wings, or replace the pistons of the outboard flight spoiler actuators with improved pistons, in accordance with McDonnell Douglas Service Bulletin DC9-27-300, Revision 02.
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Compliance Time
Prior to the accumulation of 5,000 landings after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model DC-9, DC-9-80 and C-9 (military) series airplanes, and Model MD-88 airplanes as listed in Service Bulletin DC9-27-300, Revision 02.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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