AD 94-14-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; Boeing Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; Boeing Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; Boeing Model 767 Series Airplanes |
Unsafe Condition
Piston seal leakage during actuator overhaul could lead to possible deployment of a thrust reverser in flight and subsequent reduced controllability of the airplane.
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Required Actions
Replace the thrust reverser flow restrictor devices with one-way (check) valve restrictors in accordance with specified Boeing Alert Service Bulletins. Submit requests for alternative methods of compliance through an FAA Principal Maintenance Inspector.
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Compliance Time
Within 18 months after the effective date of this AD (August 1, 1994)
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Affected Aircraft
Boeing Model 767 series airplanes equipped with General Electric CF6-80A or Pratt & Whitney JT9D-7R4 engines, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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