Airworthiness DirectiveSupersededEASA AD 2020-0066

Time Limits / Maintenance Checks – Time Limits Manual / Maintenance Programme – Amendment

Superseded. Comply with 2021-0217R1, which replaces this document.

Published: Mar 23, 2020
Effective: Apr 6, 2020
Deadline: Apr 6, 2021

Rolls-Royce Deutschland Ltd & Co Kg TRENT XWB

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What to do

Operators and maintenance organizations must replace engine components before exceeding life limits and perform mandatory inspections as specified in the updated Time Limits Manual starting from 06 April 2020. They must revise the approved Aircraft Maintenance Programme to include the new or more restrictive instructions within 12 months of the effective date. In case of discrepancies found during inspections, corrective actions must be taken within the specified compliance times or before the next flight if no time is specified.

Summary

EASA Airworthiness Directive 2020-0066 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Rolls-Royce Deutschland Ltd & Co KG Trent XWB engines, specifically models Trent XWB-75, Trent XWB-79, Trent XWB-79B, Trent XWB-84, and Trent XWB-97. These engines are commonly installed on Airbus A350 aircraft. The directive mandates compliance with updated airworthiness limitations and maintenance instructions as specified in the Rolls-Royce Trent XWB Time Limits Manual revision dated 01 November 2019.

What changed

EASA AD 2020-0066 introduces new and/or more restrictive airworthiness limitation instructions and mandatory inspections for the affected Trent XWB engine models. It requires operators to replace life-limited parts before exceeding their life limits and to perform mandatory inspections within specified intervals. The directive also mandates updating the approved Aircraft Maintenance Programme to incorporate these revised instructions within 12 months of the effective date.

Why it matters

This directive is critical for aviation professionals to ensure the continued airworthiness and safety of Airbus A350 aircraft powered by Trent XWB engines. Compliance prevents unsafe conditions caused by failure to adhere to mandatory life limits and inspection requirements. Maintenance organizations and operators must update their maintenance programs and procedures to align with the latest manufacturer-approved limitations, ensuring regulatory compliance and operational safety.

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