Airworthiness DirectiveSupersededEASA AD 2020-0074

Time Limits / Maintenance Checks – Airworthiness Limitations Section – Amendment

Superseded. Comply with 2020-0202, which replaces this document.

Published: Mar 27, 2020
Effective: Apr 10, 2020
Deadline: Apr 10, 2020

Pilatus Aircraft PC-24

AI-generated summary of the official EASA document. Verify against the PDF before acting.

What to do

Operators of Pilatus PC-24 aeroplanes must implement the updated maintenance tasks and life limits specified in the revised Airworthiness Limitations Section from the effective date of 2020-04-10. They must revise their approved Aircraft Maintenance Programme within 12 months of the effective date to incorporate these changes. Any discrepancies found during maintenance must be corrected before the next flight or within specified compliance times, and alternative methods of compliance may be requested from EASA if substantiated.

Summary

EASA Airworthiness Directive 2020-0074 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Pilatus PC-24 aeroplanes. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the Pilatus PC-24 Aircraft Maintenance Manual Chapter 4, including corrected certification maintenance requirements. This directive ensures the continued airworthiness and safety of the PC-24 fleet by addressing previously incorrect maintenance task implementations.

What changed

EASA Airworthiness Directive 2020-0074 introduces new and more restrictive maintenance tasks and limitations, including a corrected Certification Maintenance Requirement task AL-27-40-022 for the horizontal stabilizer primary trim system. It updates the Airworthiness Limitations Section to reflect these changes and requires operators to revise their approved Aircraft Maintenance Programme accordingly. This AD replaces incorrect test procedures previously published in the maintenance manual.

Why it matters

This directive is critical for operators, maintenance organizations, and compliance teams as it addresses a safety risk caused by an incorrect maintenance test that could fail to detect a critical manual pitch trim failure. Ensuring compliance prevents unsafe conditions and maintains regulatory conformity under EU aviation safety regulations. It also clarifies maintenance record-keeping and AMP revision requirements, facilitating streamlined compliance verification.

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