AD 2012-24-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Multiple reports of integrated display unit (IDU) malfunctions and mode control panel (MCP) malfunctions.
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Required Actions
Install new software within 12 months, replace the duct assembly with a new one, make wiring changes, and route certain wire bundles within 60 months.
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Compliance Time
Within 12 months for software update; within 60 months for duct assembly replacement and wiring changes.
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Affected Aircraft
The Boeing Company Model 747-400 and -400F series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 747-21A2523, Revision 1, dated October 3, 2011.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
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