AD 99-12-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 1900D | Airworthiness Directives; Raytheon Aircraft Company Model 1900D Airplanes |
Unsafe Condition
Failure of the oxygen mask lanyard pin to automatically pull and initiate oxygen flow during a loss of airplane pressurization while in-flight, which could result in passenger injury if the lanyard pin is not manually pulled in a timely manner.
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Required Actions
Replace the passenger oxygen container and mask assembly part number 129-384005-3 with improved design part number 129-384005-5 using Puritan Bennett Kit No. 280041-00. No installation of non-improved assemblies allowed after effective date.
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Compliance Time
Within the next 200 hours time-in-service after the effective date of this AD
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Affected Aircraft
Raytheon Aircraft Company Model 1900D airplanes, serial numbers UE-1 through UE-3383, 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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