AD 90-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-81 (MD-81) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-81, -82, and -83 (MD-81, -82, -83) Series Airplanes |
| aircraft | The Boeing Company | DC-9-82 (MD-82) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-81, -82, and -83 (MD-81, -82, -83) Series Airplanes |
| aircraft | The Boeing Company | DC-9-83 (MD-83) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-81, -82, and -83 (MD-81, -82, -83) Series Airplanes |
Unsafe Condition
The mid attendant's oxygen mask may not stay properly positioned during the attendant's movements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the oxygen mask and hose assemblies at the mid attendant's station within one year after the effective date of this AD, following McDonnell Douglas MD-80 Service Bulletin 35-18. An alternate means of compliance or adjustment may be used if approved by the Manager, Los Angeles Aircraft Certification Office.
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Compliance Time
within one year after the effective date of this AD
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Affected Aircraft
MCDONNELL DOUGLAS DC-9-81, -82, and -83 (MD-81, -82, -83) series airplanes, serial numbers as listed in McDonnell Douglas MD-80 Service Bulletin 35-18, dated May 15, 1990.
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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