AD 90-26-51
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
Defective torque tube fittings in the leading edge slat drive system could result in slat malfunction during flight.
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Required Actions
Within 20 days after the effective date, inspect outboard leading edge slat torque tube fittings per Boeing Alert Service Bulletin 767-27A0110. If defective fittings are found, replace them or install a new torque tube assembly before further flight. Submit a report of findings within 10 days after inspection completion to the specified FAA office.
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Compliance Time
Within the next 20 days after the effective date of this AD
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Affected Aircraft
Boeing Model 767 series airplanes, line number 001 through 340, 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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