Fuselage — Application of Additional Protection on Waste Box to Inhibit Future Corrosion Development
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Airbus Canada Limited Partnership BD-500-1A10 aeroplanes must complete the required inspections, repairs, and protective coating application within 14,200 flight cycles or 56 months from the aircraft's manufacture date, whichever comes first. For BD-500-1A11 aeroplanes, the deadline is within 9,900 flight cycles or 56 months from manufacture. Compliance with Airbus Canada Limited Partnership Service Bulletin BD500-536004 Issue 001 or later approved revisions is required.
Summary
Airworthiness Directive CF-2020-42 is issued by Transport Canada and applies to Airbus Canada Limited Partnership aeroplanes, specifically models BD-500-1A10 and BD-500-1A11. The directive addresses corrosion issues on the waste box, waste access doubler, and waste service door 146BR located at the rear fuselage. It mandates the application of additional protective coatings to inhibit future corrosion development on these parts.
What changed
This new Airworthiness Directive introduces mandatory inspections for corrosion and requires repairs if corrosion is found on the waste box, waste access doubler, and waste service door 146BR. It also mandates the application of protective coatings as specified in Airbus Canada Limited Partnership Service Bulletin BD500-536004 Issue 001 or later approved revisions. The directive sets specific compliance timelines based on flight cycles or months from the aircraft's date of manufacture.
Why it matters
This directive is critical for aviation professionals because corrosion in the affected areas can lead to structural damage, including cracks or holes that may cause cabin pressure loss or catastrophic failure. Operators and maintenance teams must address these risks proactively to ensure aircraft safety and regulatory compliance. Failure to comply could result in grounding of aircraft or increased maintenance costs due to structural repairs.
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