Turbine - Low-Pressure Turbine Stage 6 Disks - Replacement
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of International Aero Engines AG V2500 engines with the specified serial numbers must remove the affected LPT stage 6 disks at the next piece-part exposure or before reaching 5,000 cycles from new, whichever comes first. The removed disks must be replaced with parts eligible for installation. Stakeholders should coordinate with the FAA and International Aero Engines AG for service information and ensure compliance by the effective date of October 15, 2019.
Summary
The Federal Aviation Administration Airworthiness Directive 2019-18-01 is a final rule addressing certain International Aero Engines AG V2500 model turbofan engines. It targets specific low-pressure turbine (LPT) stage 6 disks identified with material anomalies that could compromise engine safety. This directive mandates the removal and replacement of affected LPT stage 6 disks to prevent potential engine failure and damage to the aircraft.
What changed
This new airworthiness directive introduces a mandatory requirement to remove from service certain LPT stage 6 disks, part number 3A2996, with specified serial numbers due to detected material anomalies. It requires replacement with parts eligible for installation at the next piece-part exposure or within 5,000 cycles from new, whichever occurs first. This AD is a new regulation rather than an amendment and does not supersede any previous directives.
Why it matters
This directive is critical for aviation professionals as it addresses a safety risk that could lead to uncontained engine failure, posing hazards to aircraft integrity and passenger safety. Operators and maintenance organizations must ensure compliance to avoid potential in-flight engine damage and costly unscheduled repairs. Compliance teams need to track affected engine serial numbers and schedule timely inspections and part replacements to maintain airworthiness.
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