AD 2001-20-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-90-30 | Airworthiness Directives; McDonnell Douglas Model MD-90-30 Series Airplanes |
Unsafe Condition
A loose electrical ground block of the circuit ground wires of the electrical power control unit (EPCU), which could result in complete loss of the primary electrical power of an airplane during flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace certain ground block screws with new screws and reterminate the circuit ground wires of the EPCU to separate grounding points.
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Compliance Time
Before further flight.
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Affected Aircraft
McDonnell Douglas Model MD-90-30 series airplanes, as listed in McDonnell Douglas Alert Service Bulletin MD90-24-A060, Revision 02, dated February 28, 2001, and Service Bulletin MD90-24-062, dated February 3, 2000; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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