Airworthiness Directive · Amendment 39-22622 · Oxygen system
Bombardier, Inc., Airplanes
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.
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model CL-600-2B16 (604 Variant) airplanes. This AD was prompted by sleeve loops on some passenger oxygen mask lanyards that had improper crimping and unsealed ends. This AD requires an inspection of the passenger oxygen mask lanyards and replacement of defective oxygen mask lanyards. This AD also prohibits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
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.
