AD 2016-01-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Design drawing error regarding placards that identify incorrect squibs and pressure switches for certain fire extinguisher bottles, which could result in an incorrect activation sequence of the bottles, the inability to suppress a cargo fire quickly, and a possible uncontrollable fire.
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Required Actions
Conduct a detailed inspection of certain cargo placards to determine if they are the correct placards and in the correct location. Conduct a detailed inspection of the harnesses to verify that they are marked and installed correctly. Take corrective action if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 737-400 series airplanes, certificated in any category, with serial numbers 23865, 24231, 24706, 24474, 25417, 27003, 27149, 25375, 26281, 28661, and 28881, as modified by Supplemental Type Certificate ST01114WI.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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