Fuel System — Auxiliary Power Unit Aft Fuel Pump — Replacement / Modification
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must replace all affected APU aft fuel pumps with serviceable parts within 34 months from 16 December 2020, following the instructions in the applicable Airbus Service Bulletins A330-28-3138 and A340-28-4143. Additionally, installation of affected parts is prohibited from the effective date of this directive, and alternative methods of compliance may be approved if substantiated.
Summary
EASA Airworthiness Directive 2020-0265 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus A330 and A340 aeroplanes. It addresses the replacement or modification of the Auxiliary Power Unit (APU) aft fuel pumps, specifically those with part numbers P93A19-202 and P93A19-203, to ensure continued safe operation of these aircraft models.
What changed
This new directive requires the replacement of affected APU aft fuel pumps with serviceable parts due to deterioration of the printed circuit board varnish, which could lead to ignition sources. It prohibits the installation of affected parts on any aircraft and mandates compliance within 34 months from the effective date.
Why it matters
This directive is critical for aviation professionals because the deterioration of the APU aft fuel pump PCB varnish poses a risk of fire or explosion, potentially leading to loss of the aircraft. Operators, maintenance organizations, and compliance teams must ensure affected parts are replaced to maintain airworthiness and comply with regulatory requirements.
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