AD 83-18-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-8-71 | Airworthiness Directives; McDONNELL DOUGLAS DC-8-70 Series Airplanes |
| aircraft | The Boeing Company | DC-8-72 | Airworthiness Directives; McDONNELL DOUGLAS DC-8-70 Series Airplanes |
| aircraft | The Boeing Company | DC-8-73 | Airworthiness Directives; McDONNELL DOUGLAS DC-8-70 Series Airplanes |
Unsafe Condition
Engine flameouts while using JP4 or Jet B fuel due to P/N 9984M90G20 fuel injectors installed on one or more engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the AFM limitations section to require ignition override switch in ALL ENGINES position during descent with JP4 or Jet B fuel. Install cockpit placard instructing pilots to use ignition override with these fuels during descent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within seven calendar days after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model DC-8-70 series airplanes with CFM-56 engines and P/N 9984M90G20 fuel injectors on one or more engines
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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