EASA AD 2022-0020
Nacelles / Pylons — Pylon Box Drainage Areas and Hydraulic Connections — Inspection
Summary
EASA Airworthiness Directive 2022-0020 is an airworthiness directive issued by EASA concerning Airbus A380-841 and A380-842 aeroplanes equipped with Rolls-Royce Trent 900 engines. It mandates inspection of the pylon box drainage areas and hydraulic connections to detect potential hydraulic fluid leaks caused by incorrect installation and torquing. The directive aims to prevent contamination and structural integrity issues in the engine pylons.
What Changed
This new airworthiness directive introduces a one-time detailed inspection of the hydraulic B-nut connections and the internal structure of the pylon box between Rib 2 and Rib 14. It requires corrective actions if any deficiencies are found during the inspection. The directive applies to aircraft that have incorporated specific Airbus service bulletins unless Airbus modification 74407 has been embodied in production.
Why It Matters
This directive is critical for aviation professionals because undetected hydraulic fluid leaks can lead to contamination and potentially compromise the structural integrity of engine pylons. Operators and maintenance organizations must ensure compliance to maintain aircraft safety and airworthiness. Failure to comply could result in unsafe flight conditions and regulatory non-compliance.
What To Do
Operators of affected Airbus A380 aircraft must perform a detailed inspection of the high-pressure hydraulic connections and the pylon box internal structure within specified flight cycle thresholds, either within 2,200 flight cycles after the relevant service bulletin or within 800 flight cycles after the AD effective date, whichever occurs later. If any deficiencies are found, corrective actions must be completed before the next flight. Compliance with Airbus Service Bulletin A380-54-8102 is required.
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