Airworthiness DirectiveSupersededEASA AD 2020-0117

Time Limits / Maintenance Checks – Airworthiness Limitations Section Chapter 5-40 – Amendment

Superseded. Comply with 2022-0141, which replaces this document.

Published: May 20, 2020
Effective: Jun 3, 2020
Deadline: Jun 3, 2021
Replaces: 2019-0134

Dassault Falcon 900EX

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What to do

Operators of Dassault Falcon 900EX, 900LX, and 900DX aeroplanes must replace components before exceeding life limits and perform all applicable maintenance tasks within specified thresholds and intervals as per the updated ALS. They must revise their approved Aircraft Maintenance Programme to include these new tasks and limitations within 12 months from 2020-06-03. Any discrepancies found during maintenance must be corrected according to Dassault maintenance documentation before the next flight or within specified compliance times.

Summary

EASA Airworthiness Directive 2020-0117 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Dassault Aviation Falcon 900EX aeroplanes, including the Falcon 900EX Easy, Falcon 900LX, and Falcon 900DX variants. It mandates compliance with updated airworthiness limitations specified in the Dassault Falcon 900EX Easy/900LX/900DX Aircraft Maintenance Manual, Chapter 5-40, Revision 12. This directive ensures continued airworthiness by enforcing maintenance tasks and life limits for components on these aircraft.

What changed

EASA AD 2020-0117 supersedes the previous AD 2019-0134 and introduces new and/or more restrictive maintenance tasks and limitations as defined in Revision 12 of the Dassault Falcon 900EX AMM Chapter 5-40. It updates thresholds and intervals for maintenance tasks and life limits for components, requiring operators to comply with these revised requirements. The directive also mandates revision of the approved Aircraft Maintenance Programme to incorporate these changes within 12 months of the effective date.

Why it matters

This directive is critical for aviation professionals because it ensures the safe continued operation of Falcon 900EX aircraft by enforcing mandatory maintenance and replacement schedules. Operators, maintenance organizations, and compliance teams must adhere to these updated requirements to prevent unsafe conditions caused by failure to perform required tasks. Compliance with this AD supports regulatory conformity and helps avoid operational disruptions or grounding of affected aircraft.

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