AD 2000-02-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 767 | Airworthiness Directives; Boeing Model 767 Series Airplanes Equipped With General Electric Model CF6-80C2 Series Engines |
| engine | General Electric | CF6-80C2 Series | Airworthiness Directives; Boeing Model 767 Series Airplanes Equipped With General Electric Model CF6-80C2 Series Engines |
Unsafe Condition
Low holding torque of the center drive unit (CDU) cone brake in the thrust reverser system may lead to possible failure modes in the thrust reverser control system, resulting in inadvertent deployment of a thrust reverser during flight.
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Required Actions
Inspect the thrust reverser system, including the center drive unit (CDU) cone brake, to ensure proper holding torque. Revise the maintenance program to include reduced repetitive intervals for follow-on actions. Install any necessary terminating modifications as specified.
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Compliance Time
Within 50 flight hours after the effective date of this amendment.
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Affected Aircraft
Boeing Model 767 series airplanes equipped with General Electric Model CF6-80C2 series engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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