AD 2014-06-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The existing electronic engine control (EEC) software logic can prevent stowage of the thrust reversers (TRs) during certain circumstances, which could cause the TRs to move back to the deployed position.
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Required Actions
Identify the EEC software, remove certain defective software, and install new, improved software. The actions must be done in accordance with an approved method or using data approved by the Boeing Commercial Airplanes Organization Designation Authorization (ODA).
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Compliance Time
Within the compliance times specified in the AD, unless already done.
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Affected Aircraft
The Boeing Company Model 747-8 and 747-8F series airplanes, certificated in any category, powered by General Electric (GE) Aviation GEnx-2B67 or GEnx-2B67B engines.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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