Pneumatic – Pylon / Wing Interface Bleed Duct and Fuel Pipe – Inspection / Modification / Replacement
Proposal for consultation. Not binding until EASA issues the final AD; the requirements can still change.
- Published
- Would replace
- 2021-0280R1
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 aircraft must perform repetitive inspections of the affected bleed-air ducts and fuel pipes within specified flight cycle or flight hour intervals depending on their modification status. They must carry out corrective actions if discrepancies are found and complete the interim modification within 300 flight cycles or 2,400 flight hours after 31 December 2021. Full replacement of all affected parts with serviceable redesigned parts must be completed within 50 months after the directive's effective date to terminate inspection requirements.
Summary
EASA Airworthiness Directive 26-125 is a proposed directive addressing inspection, modification, and replacement of the pneumatic pylon/wing interface bleed duct and fuel pipe on Airbus A380-841, A380-842, and A380-861 aeroplanes. It targets specific bleed-air duct assemblies identified by part numbers related to the four wing-to-engine pylon interfaces. The directive aims to mitigate risks associated with bleed-air duct detachments and potential fuel leaks that could lead to fire hazards.
What changed
This proposed directive supersedes EASA AD 2021-0280R1 and introduces mandatory replacement of all four affected bleed-air duct assemblies with redesigned parts featuring improved attachment brackets. It retains previous requirements for repetitive inspections and corrective actions but adds terminating actions through the new modification. The directive also clarifies compliance groups and inspection intervals based on embodiment of interim modifications.
Why it matters
This directive is critical for aviation professionals as it addresses a safety risk involving potential ignition sources from bleed-air duct failures near fuel pipes. Operators and maintenance organizations must ensure compliance to prevent uncontrolled fires, maintain airworthiness, and avoid operational disruptions. The directive provides clear instructions for inspections, corrective actions, and part replacements, facilitating effective maintenance planning and regulatory adherence.
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