AD 2001-19-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 767-200 and -300 | Airworthiness Directives; Boeing Model 767-200 and -300 Series Airplanes |
Unsafe Condition
Corroded, cracked, or broken barrel nuts that attach the vertical fin to body section 48, which could result in reduced structural integrity of the vertical fin attachment joint, loss of the vertical fin, and consequent loss of controllability of the airplane.
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Required Actions
Conduct internal and external detailed visual inspections to detect discrepancies of the sealant and barrel nuts. Replace any barrel nut with a new Inconel barrel nut if any discrepancy is found. Perform a torque check on each attachment bolt of the vertical fin if no discrepancy is found. Replace the barrel nut with a new Inconel barrel nut if a bolt can be turned during the torque check. Repeat the inspections as necessary.
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Compliance Time
Within 45 days after the effective date of this AD.
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Affected Aircraft
Boeing Model 767-200 and -300 series airplanes, line numbers 1 through 574 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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