AD 98-26-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
Unsafe Condition
Failure of the unreinforced floor structure of the main cargo deck when transporting containers with maximum allowable payloads under severe gust conditions or excessive maneuvers, leading to loss of the airplane.
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Required Actions
Limit the payload on the main cargo deck by revising the Limitations Sections of all Airplane Flight Manuals (AFM), AFM Supplements, and Airplane Weight and Balance Supplements. Optional terminating actions include submitting data/analyses to substantiate main cargo deck strength or modifying the main cargo deck.
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Compliance Time
before further flight
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Affected Aircraft
Boeing Model 727 series airplanes converted from passenger to cargo-carrying (freighter) configuration, including 727-100, 727-100C, 727-200, 727-200F, 727, and 727C series.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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