Pneumatic – Overheat Detection System / Insulation Mufflers – Modification / Replacement
Superseded. Comply with 2020-0129, which replaces this document.
- 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 modify affected aircraft by replacing all affected bleed air insulation mufflers and sleeves within 24 months from 2018-06-01. Additionally, no affected parts may be installed or reinstalled on any aircraft from the effective date onward. Compliance must follow the instructions in the applicable Airbus Service Bulletins.
Summary
EASA Airworthiness Directive 2018-0100 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus A380-841, A380-842, and A380-861 aeroplanes. It addresses issues related to the bleed air overheat detection system, specifically concerning insulation mufflers and sleeves installed in the wings, pylons, and certain pneumatic tubing in the nose and center fuselage. The directive mandates modifications to replace affected parts with improved components to ensure continued airworthiness.
What changed
This directive introduces mandatory modifications to replace incorrectly installed or oriented bleed air insulation mufflers and sleeves with improved versions developed by Airbus. It prohibits the installation or reinstallation of affected parts and requires compliance within a specified timeframe. The directive also references specific Airbus Service Bulletins for the modification procedures.
Why it matters
This directive is critical for maintaining the structural integrity and safety of Airbus A380 aircraft by preventing potential thermal damage caused by interference between insulation mufflers and overheat detection system sensors. Compliance ensures operators avoid increased thermal loads that could compromise aircraft safety. Maintenance and compliance teams must update procedures to incorporate the required modifications and parts restrictions.
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