AD 2000-20-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-90-30 | Airworthiness Directives; McDonnell Douglas Model MD-90-30 Series Airplanes |
| aircraft | Aviat | Various | 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 the electrical ground block screws with new screws within 30 days after the effective date of the AD, and reterminate the circuit ground wires of the EPCU to separate grounding points within 12 months after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days for screw replacement, and within 12 months for retermination of circuit ground wires.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas Model MD-90-30 series airplanes, as listed in McDonnell Douglas Alert Service Bulletin MD90-24A060, Revision 01, dated September 2, 1999, and McDonnell Douglas Service Bulletin MD90-24-062, dated February 3, 2000.
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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