AD 2001-10-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | DC-9-81 | Airworthiness Directives; McDonnell Douglas Model DC-9-81, -82, -83, and -87 Series Airplanes, and Model MD-88 Airplanes |
Unsafe Condition
Insulation blankets constructed of metallized Mylar™ in the area of the static port heater could propagate a small fire that is the result of an electrical short of the static port heater and could lead to a much larger fire and smoke in the cabin.
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Required Actions
Inspect the wiring of the primary and alternate static port heaters for chafing, loose connections, and evidence of arcing, and determine the type of insulation blanket installed in the area of the static port heaters. If necessary, repair or replace the wiring, and replace any metallized Mylar™ insulation blanket with a metallized Tedlar™ insulation blanket or apply a DMS 1984 tape patch to the outboard side of the metallized Mylar™ insulation blanket in the area adjacent to the primary and alternate static ports.
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Compliance Time
Within 3 months of the effective date
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Affected Aircraft
McDonnell Douglas Model DC-9-81, -82, -83, and -87 series airplanes, and Model MD-88 airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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