AD 85-24-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-200 Series | BOEING Model 727-200 Series Airplanes |
Unsafe Condition
Corrosion of the wing lower skin could result in fuel entering the ram air plenum chamber.
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Required Actions
Visually inspect the upper wall of the air conditioning ram air plenum chamber for corrosion in accordance with Part II of Boeing Service Bulletin 727-51-17 or later FAA-approved revision. If corrosion is detected, repair and refinish in accordance with Figure 3 of the same service bulletin or an approved method. Repeat inspections at intervals not exceeding 8,000 hours time-in-service or 4 years, whichever comes first.
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Compliance Time
Within the next 3,000 hours time-in-service or 1 year, whichever occurs first after the effective date of this AD.
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Affected Aircraft
All Model 727-200 series airplanes, 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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