AD 2023-06-04

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2023-06-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2022-1654
FR Citation
88 FR 22362

Applicability

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

Unsafe Condition

Passenger oxygen mask dispensing units with lanyards that are too long to meet the proper length specifications of the airplane, which could result in the inability to initiate flow of oxygen to the mask and no indication to the passenger that they are not receiving oxygen in an emergency situation.

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

Required Actions

Replacing the affected MDUs with units that meet the proper length specifications, replacing the placards, and re-identifying the assemblies.

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

Compliance Time

Within 5 years after the effective date of this AD

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

Affected Aircraft

Bombardier, Inc., Model CL-600-1A11 (600), CL-600-2A12 (601), CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes, with serial numbers as identified in the service information specified in paragraphs (c)(1) through (4) of this AD.

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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