Time Limits / Maintenance Checks — Airworthiness Limitations and Certification Maintenance Requirements — Amendment
- Published
- Effective
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of ATR 42-400 and ATR 42-500 aircraft must accomplish all new and more restrictive maintenance tasks within the specified thresholds and intervals starting from 10 July 2025. Any discrepancies found during maintenance must be corrected before the next flight, following ATR-approved instructions or contacting ATR if needed. Additionally, the approved Aircraft Maintenance Programme must be revised to include these tasks within 12 months of the directive's effective date to ensure ongoing compliance.
Summary
EASA Airworthiness Directive 2025-0135 is an amendment addressing the airworthiness limitations and certification maintenance requirements for ATR 42-400 and ATR 42-500 aeroplanes equipped with ATR modification 04273 or ATR Service Bulletin ATR42-26-0020. This directive mandates compliance with new and more restrictive maintenance tasks introduced in Temporary Revision 18.9 of the ATR42-400/-500 Time Limits Document. It ensures continued airworthiness by updating maintenance programs and procedures for these specific ATR aircraft models.
What changed
EASA Airworthiness Directive 2025-0135 introduces new and/or more restrictive maintenance tasks as specified in Temporary Revision 18.9 of the ATR42-400/-500 Time Limits Document. These tasks include reduced thresholds and intervals for certain maintenance actions compared to previous revisions. The directive requires operators to incorporate these changes into their approved Aircraft Maintenance Programmes within 12 months of the effective date.
Why it matters
This directive is critical for aviation professionals because it mandates updated maintenance requirements that directly affect the safety and airworthiness of ATR 42-400 and ATR 42-500 aircraft. Operators and maintenance organizations must comply to avoid unsafe conditions and regulatory non-compliance. The updated tasks may impact maintenance scheduling, resource allocation, and record-keeping practices, ensuring continued regulatory approval and operational safety.
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