Airworthiness directives › 2023-24-05
AD 2023-24-05 Airworthiness Directives; Bombardier, Inc., Airplanes
Applicability*9
This AD applies to Bombardier, Inc., Model CL-600-2B16 (604 Variant) airplanes, certificated in any category, serial numbers identified in Bombardier Service Bulletin 605-35-008, dated October 28, 2022.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 48 months from the effective date of this AD, visually inspect the passenger oxygen mask lanyards in the cabin or lavatory oxygen box assemblies as applicable for crimped lanyards and sealed ends, in accordance with paragraph 2.C. of the Accomplishment Instructions of Bombardier Service Bulletin 605-35-008, dated October 28, 2022. (1) If all passenger oxygen mask lanyards are crimped and the lanyard ends are sealed: No further action is required by this paragraph. (2) If any passenger oxygen mask lanyard is not crimped properly, or any lanyard end is not sealed properly: Before further flight, replace the passenger oxygen mask lanyard in accordance with Section 2.D. of the Accomplishment Instructions of Bombardier Service Bulletin 605-35-008, dated October 28, 2022.
Unsafe condition
This AD was prompted by sleeve loops on some passenger oxygen mask lanyards that had improper crimping and unsealed ends. The FAA is issuing this AD to address the defective oxygen mask lanyards. The unsafe condition, if not addressed, could result in no oxygen flow to the mask during an emergency.
Affected ADs
None.
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