Airworthiness Directive · Amendment 39-22112 · Oxygen
Bombardier, Inc., Airplanes
This AD applies to all Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes, certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for all Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by reports that some oxygen box assemblies had their piston ejected during the mask deployment test. This AD requires a one- time inspection of each passenger oxygen box dual manifold assembly to find and replace affected parts. This AD also prohibits installing affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
An affected part is a passenger oxygen box assembly having a dual manifold assembly having part number 100-009-39 and a lot and serial number specified in figure 1 to paragraph (g) of this AD.
Within the applicable compliance time specified in paragraph (h)(1) or (2) of this AD: Inspect each passenger oxygen box dual manifold assembly to determine if it is an affected part, as defined in paragraph (g) of this AD, and replace any affected part in accordance with paragraph 2.B. of the Accomplishment Instructions of the applicable Bombardier service bulletin specified in figure 2 to paragraph (h) of this AD. Replace any affected part before further flight.
(1) For airplanes having serial numbers 9771, 9779, 9784, 9788 through 9824 inclusive, 9853 through 9857 inclusive, and 9859 through 9876 inclusive, within 4 months after the effective date of this AD.
(2) For airplane having serial numbers 9877 through 9879 inclusive, and 60001 through 60042 inclusive, within 30 months after the effective date of this AD.
