Time Limits / Maintenance Checks — Time Limit Manual — Amendment
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must replace engine components before exceeding the specified life limits and perform all required maintenance tasks within defined intervals starting from 26 March 2018. Any discrepancies found during maintenance must be corrected before the next flight, following Rolls-Royce Deutschland maintenance documentation or approved instructions. Additionally, the approved Aircraft Maintenance Programme must be revised within 12 months of the effective date to incorporate the updated airworthiness limitations.
Summary
EASA Airworthiness Directive 2018-0055 is an airworthiness directive affecting Rolls-Royce Deutschland Tay 611-8C engines, commonly installed on Gulfstream Aerospace GIV-X aircraft. The directive mandates compliance with updated airworthiness limitations related to time limits and maintenance checks as specified in the Rolls-Royce Deutschland Time Limits Manual. It ensures continued airworthiness by enforcing life limits and mandatory inspections for engine components, including the number of Dry Film Lubrication treatments on fan blade retention lugs.
What changed
EASA Airworthiness Directive 2018-0055 introduces updated maintenance requirements and life limits for the Tay 611-8C engines as published in the Time Limits Manual chapters dated September 2017 and September 2016. It also incorporates the use of a Non-Modification Service Bulletin to verify the number of Dry Film Lubrication treatments when records are incomplete. This AD establishes mandatory compliance with these updated airworthiness limitations to prevent unsafe conditions.
Why it matters
This directive is critical for operators, maintenance organizations, and compliance teams to ensure the safe operation of aircraft equipped with Tay 611-8C engines. Adhering to the updated life limits and inspection intervals prevents potential engine failures due to exceeded component life or maintenance oversights. It also streamlines compliance by allowing approved maintenance program revisions to demonstrate ongoing adherence to the AD requirements.
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New ADs and bulletins for Rolls-Royce Deutschland Ltd & Co Kg Tay and Gulfstream Aerospace GIV-X, summarized like this page, every Monday.