AD 85-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scott Aviation | Oxygen Connectors | Airworthiness Directives; SCOTT AVIATION Oxygen Connectors, Part Numbers 289-56 and 289-56-1 |
Unsafe Condition
Blockage of oxygen flow due to incompletely drilled oxygen connectors.
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Required Actions
Inspect the oxygen mask connectors in accordance with Scott Aviation Service Bulletin 289-35-10 dated May 27, 1985. Improperly drilled connectors must be replaced prior to return to service. Alternate means of compliance may be used if approved by the Manager, Western Aircraft Certification Office, FAA, Northwest Mountain Region.
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Compliance Time
within thirty (30) days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
Scott Aviation Oxygen Connectors, Part Numbers 289-56 and 289-56-1
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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