Oxygen - Main Passenger Oxygen Distribution Line Flexible Hoses - Replacement
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Airbus A380-841, A380-842, and A380-861 aeroplanes must replace each affected flexible oxygen hose with a serviceable part before the aeroplane reaches 12 years since its date of manufacture, following the instructions in the applicable Airbus Service Bulletin A380-35-8035 or A380-35-8040. Additionally, installation of affected hoses is prohibited from the effective date of the directive for Group 2 aeroplanes and after modification for Group 1 aeroplanes. Compliance must be ensured by 19 April 2018 or within 12 years of manufacture, whichever applies.
Summary
EASA Airworthiness Directive 2018-0074 is an airworthiness directive addressing the replacement of main passenger oxygen distribution line flexible hoses on Airbus A380-841, A380-842, and A380-861 aeroplanes. It targets specific flexible hoses installed in the upper deck crossbeam and framework areas that may be prone to rupture due to installation issues. The directive applies to all manufacturer serial numbers of these Airbus A380 models.
What changed
This new airworthiness directive requires the replacement of affected flexible oxygen hoses with longer, serviceable parts to prevent potential rupture and oxygen leakage. It prohibits the installation of the affected hoses on any aeroplane and introduces Airbus production modification 74457 as the corrective measure. The directive also defines affected areas, hose part numbers, and groups of aeroplanes based on hose installation status.
Why it matters
This directive is critical for maintaining the safety and airworthiness of Airbus A380 aircraft by preventing oxygen hose failures that could reduce oxygen availability during depressurization events. Operators and maintenance organizations must ensure compliance to avoid safety risks and regulatory penalties. It also impacts maintenance planning and parts inventory management by requiring specific hose replacements and prohibiting certain part installations.
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