EASA AD 2018-0043R1
Power Plant — Rear Engine Mount Assembly — Inspection
Summary
EASA Airworthiness Directive 2018-0043R1 is a regulatory document addressing inspection requirements for the rear engine mount assembly on Airbus A380-841 and A380-842 aeroplanes. It mandates inspections of specific rear engine mount beams and assemblies, particularly those with part numbers L7121076120000 and related assemblies, to detect cracks caused by manufacturing defects. The directive ensures continued airworthiness by requiring detailed or high-frequency eddy current inspections and, if necessary, replacement of affected parts.
What Changed
This revision of EASA AD 2018-0043 adds certain serial numbers of rear engine mount beams and assemblies to an appendix listing parts that are not affected by the unsafe condition. It clarifies which parts are exempt from inspection requirements, refining the scope of the original directive issued in February 2018. No new inspection or replacement requirements were introduced beyond those in the original AD.
Why It Matters
This directive is critical for aviation professionals as it addresses a potential structural integrity issue in the rear engine mounts of Airbus A380 aircraft, which could affect fatigue life and load carrying capability. Operators and maintenance organizations must comply to prevent possible in-flight failures and ensure safety. The clarification of non-affected parts reduces unnecessary inspections and maintenance, optimizing resource allocation and compliance efforts.
What To Do
Operators of Airbus A380-841 and A380-842 aircraft with affected rear engine mount parts must perform a detailed or high-frequency eddy current inspection within 1,000 flight cycles after 28 February 2018. If cracks or fail-safe load path activation are detected, affected assemblies must be replaced before the next flight. Assemblies installed after 28 February 2018 must be inspected and confirmed free of defects prior to installation. Compliance with the Airbus Service Bulletin A380-71-8013 is required.
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