AD 2009-07-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-90-30 | Airworthiness Directives; McDonnell Douglas Model MD-90-30 Airplanes |
Unsafe Condition
Shorted wires in the right wheel well and evidence of arcing on the power cables of the auxiliary hydraulic pump could result in a fire in the wheel well and increase the potential of an ignition source adjacent to the fuel tanks, leading to a fuel tank explosion and consequent loss of the airplane.
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Required Actions
Modify the auxiliary hydraulic power system and perform all applicable related investigative and corrective actions as specified in Boeing Alert Service Bulletin MD90-29A021, Revision 1, dated August 29, 2008. Complete all applicable related investigative and corrective actions before further flight.
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Compliance Time
Within 18 months after the effective date of this AD.
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Affected Aircraft
McDonnell Douglas Model MD-90-30 airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin MD90-29A021, Revision 1, dated August 29, 2008.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
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