AD 2001-09-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 727-100 | Airworthiness Directives; Boeing Model 727-100, -100C, and -200 Series Airplanes |
Unsafe Condition
Corrosion between the body skins and cold-bonded doublers at the fuselage circumferential skin joints could result in delamination of the cold-bonded doublers, leading to corrosion of the body skins and doublers, and reduced structural capability of the fuselage circumferential skin joints.
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Required Actions
Inspect certain fuselage circumferential skin joints to determine the type of fasteners installed. Replace any aluminum fasteners with steel fasteners, if necessary. Modify certain fuselage circumferential skin joints, as applicable. For certain airplanes, conduct repetitive inspections to detect corrosion, sealant deterioration, cracking, or disbonding, and repair if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 727-100, -100C, and -200 series airplanes, excluding line numbers 153, 339, 416, and 540, which have been taken out of service.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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