AD 98-23-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
Unsafe Condition
Chafed wiring and wire insulation wear in the vicinity of the stowage box for the captain's oxygen mask due to interference between oxygen line fittings and adjacent wire bundles, which could result in electrical arcing and consequent oxygen leakage.
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Required Actions
Modify the captain's and first officer's consoles to ensure adequate clearance between oxygen equipment and adjacent wire bundles, including replacing the existing electrical connector on the dimmer module with a 90-degree backshell as specified in Boeing Alert Service Bulletin 767-35A0029, Revision 1.
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Compliance Time
within 18 months
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Affected Aircraft
Boeing Model 767-200 Series, 767-300 Series, and 767-300F Series airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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