AD 98-03-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-60 SHERPA | Airworthiness Directives; Short Brothers Model SD3-60 SHERPA and SD3 SHERPA Series Airplanes |
| aircraft | Short Brothers PLC | SD3-SHERPA | Airworthiness Directives; Short Brothers Model SD3-60 SHERPA and SD3 SHERPA Series Airplanes |
Unsafe Condition
Aluminum oxygen tubing may burst and release high-pressure oxygen flow into the passenger cabin, resulting in a fire hazard during flight.
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Required Actions
Remove the aluminum alloy oxygen pipe assembly and replace it with a stainless steel assembly within 90 days after the effective date. No aluminum alloy oxygen tubing pipe assembly (part number SD3-71-20052-401) may be installed.
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Compliance Time
Within 90 days after the effective date of this AD
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Affected Aircraft
Short Brothers PLC Model SD3-60 SHERPA and SD3 SHERPA 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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