AD 88-20-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-81 (MD-81) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 (MD-80) Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-82 (MD-82) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 (MD-80) Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-83 (MD-83) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 (MD-80) Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-87 (MD-87) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 (MD-80) Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | MD-88 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 (MD-80) Series Airplanes and Model MD-88 Airplanes |
Unsafe Condition
Uncontained separation of engine pneumatic manifold end caps due to suspect Janitrol P/N 14J93-350 clamps with specific identification markings (numbers 63367, 5T400 without date stamp) installed on eighth or thirteenth stage manifold end caps.
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Required Actions
Within 25 days after the effective date, inspect both engines' eighth and thirteenth stage pneumatic manifold end cap clamps for identification markings. Remove and replace clamps with numbers 63367 or 5T400 without a date stamp prior to further flight. Do not install suspect clamps as per paragraph B.
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Compliance Time
Within 25 days after the effective date of this AD
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Affected Aircraft
MCDONNELL DOUGLAS Model DC-9-80 (MD-80) series and Model MD-88 airplanes with Janitrol P/N 14J93-350 clamps manufactured after March 1, 1988, including listed serial numbers and others with suspect clamps installed.
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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