Fuel — Engine Low Pressure Shut Off Valve Electrical Harness Routing — Modification
- Published
- Effective
- Deadline
- Replaces
- 2021-0073
- Replaces
- 2024-0101
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must modify the routing of the electrical harnesses between the inboard and outboard pylon closing ribs within 42 months after 29 March 2021. During installation or reinstallation of harnesses 3000VB-011 or 3001VB-011, if a harness is too short, it must be modified before the next flight following the Airbus Service Bulletin instructions. Prior modifications done according to specified Airbus repair documents are accepted as compliant.
Summary
EASA Airworthiness Directive 2024-0101R1 is a regulatory update addressing the electrical harness routing of the engine low pressure shut off valve on Airbus A380-841, A380-842, and A380-861 aeroplanes. It applies to aircraft not modified with Airbus modification 77076 and covers both Engine Alliance GP7200 and Rolls-Royce RB211 Trent 900 engines. The directive aims to ensure compliance with safety requirements related to engine fuel isolation in case of uncontrolled engine rotor failure.
What changed
This revision removes the previously required inspection of certain electrical harness lengths as identified in Airbus Service Bulletin A380-28-8072 Revision 02, acknowledging that part of this additional work was redundant. It retains the requirement to modify the electrical harness routing and adds instructions for harness modification if harnesses are found too short during (re)installation. The directive also accepts prior modifications done under specific Airbus repair documents as compliant.
Why it matters
This directive is critical for maintaining engine fuel isolation capability to prevent uncontrolled fires resulting from uncontrolled engine rotor failure. Operators and maintenance teams must ensure that electrical harness modifications are correctly implemented to meet safety standards. Compliance ensures continued airworthiness and regulatory conformity, reducing risk of in-flight engine fire incidents.
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