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Final rule; request for comments.

We are adopting a new airworthiness directive (AD) for certain Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300- 600 series airplanes); and Airbus Model A310 series airplanes. This AD requires contacting the FAA to obtain instructions for addressing the unsafe condition on these products, and doing the actions specified in those instructions. This AD was prompted by reports of the portable oxygen cylinder assembly (POCA) slipping from its bracket inside a one- frame overhead stowage compartment. We are issuing this AD to address the unsafe condition on these products.

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