Manufacturer
Bombardier
Number
FAA 2023-12-20
Model(s)
Challenger 604
Published Date
Effective Date
Summary
Requires replacing oxygen system hoses having any part number in the O2C20T1 and O2C20T14 series. It also prohibits installation of affected oxygen hoses. Prompted by reports of oxygen leaks caused by cracked, brittle, or broken oxygen hoses that were found during scheduled maintenance tests of the airplane oxygen system.
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Aircraft Reference