Pneumatic — Engine Bleed Air Supply System High Pressure Valves — Modification / Replacement
- 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 and A380-842 aeroplanes with affected high pressure bleed valves must modify or replace these parts within six months of 13 February 2020, the effective date of the directive. After compliance, installation of affected parts is prohibited. Maintenance teams should follow Airbus Service Bulletin A380-36-8047 instructions for modification or replacement and document compliance accordingly.
Summary
EASA Airworthiness Directive 2020-0016 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus A380-841 and A380-842 aeroplanes. It addresses issues with the engine bleed air supply system high pressure valves, specifically certain part numbers of high pressure bleed valves installed on these aircraft. The directive mandates modification or replacement of these valves to ensure continued airworthiness.
What changed
EASA Airworthiness Directive 2020-0016 introduces mandatory modification or replacement of affected high pressure bleed valves (P/N 6863B020001 or P/N 6863B030001) on Airbus A380 aircraft. It defines affected and serviceable parts and establishes compliance groups based on valve installation status. The directive prohibits installation of affected parts after compliance and provides Airbus Service Bulletin A380-36-8047 as the method for modification.
Why it matters
This directive is critical for aviation professionals because failure of the high pressure valve clamping pin can lead to a burst in the engine pylon and potential structural damage, compromising aircraft safety. Operators and maintenance organizations must ensure compliance to prevent unsafe conditions and maintain regulatory approval for aircraft operation. Compliance also supports continued airworthiness and reduces risk of in-service failures.
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