AD 2023-12-20

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2023-12-20
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2023-0025
FR Citation
88 FR 46063

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition

Oxygen leaks caused by cracked, brittle, or broken oxygen hoses found during scheduled maintenance tests of the airplane oxygen system.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace oxygen system hoses having any part number in the O2C20T1 and O2C20T14 series. Prohibit installation of affected oxygen hoses.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 7 months after the effective date of this AD for airplanes having, as of the effective date, more than 6 years from the completion of the interior modification specified in STC T02355NY.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bombardier, Inc., Model CL-600-2B16 (604 Variant) airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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