Oxygen System — Insufficient Accessibility to the Portable Oxygen Bottle
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Bombardier BD-700-1A10 and BD-700-1A11 aircraft must rework the portable oxygen bottle installations by installing the specified modified brackets. The work must be completed within 60 months from the effective date of 2019-05-24. Compliance can be achieved by following the instructions in the applicable Bombardier Service Bulletins or their approved revisions.
Summary
Canadian Airworthiness Directive CF-2019-18 addresses an oxygen system issue affecting Bombardier Inc. aeroplanes Model BD-700-1A10 and BD-700-1A11 with specified serial numbers. The directive mandates modifications to the portable oxygen bottle brackets to improve accessibility for cabin crew during emergencies. This AD ensures compliance with Canadian Aviation Regulations related to airworthiness directives.
What changed
This new Airworthiness Directive requires the installation of a modified top bracket and a new middle bracket on affected portable oxygen bottle installations. The change addresses the difficulty in removing the portable oxygen bottle caused by the upper bracket latch catching on the pressure gauge components. Compliance involves reworking the installations according to Bombardier Service Bulletins referenced in the directive.
Why it matters
The accessibility of portable oxygen bottles is critical for cabin crew to respond effectively in emergencies. This directive impacts operators and maintenance organizations by requiring modifications that enhance safety and ensure regulatory compliance. Failure to comply could result in operational restrictions or safety risks during in-flight emergencies.
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