Airworthiness Directives (ADs)

Aviation Industry

CAA-2021-06-004

The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.

Issue Date: 2021/06/10

Applicability: International Aero Engines V2522-A5, V2524-A5, V2525-D5, V2527-A5, V2527E-A5, V2527M-A5, V2528-D5, V2530-A5, V2531-E5, and V2533-A5 model turbofan engines with an installed: (1) High-pressure turbine (HPT) 1st-stage disk, part number (P/N) 2A5001, with a serial number (S/N) listed in Appendix A, Table 1, of IAE Non-Modification Service Bulletin (NMSB) No. V2500-ENG-72-0713, Revision 1, dated January 26, 2021 (IAE NMSB V2500-ENG-72-0713, Revision 1) or IAE NMSB No. V2500-E5-72-0015, dated December 15, 2020 (IAE NMSB V2500-E5-72-0015); and/or (2) HPT 2nd-stage disk, P/N 2A4802, with an S/N listed in Appendix A, Table 2, of IAE NMSB V2500-ENG-72-0713, Revision 1, or IAE NMSB V2500-E5-72-0015.

Model Number: International Aero V2500 model turbofan engines.

CAA AD Number: CAA-2021-06-004

Aeronautics Authority of Original AD: FAA

Original AD Number: 2021-11-15

Effective Date: 2021/07/13

Subject: This AD requires the performance of an ultrasonic inspection of the HPT 1st-stage disk and HPT 2nd-stage disk and, depending on the results of the inspections, replacement of the HPT 1st-stage disk or HPT 2ndstage disk.

Reference Publications (Revision/ATA/SB): ATA 72. Ref. International Aero Engines Non-Modification Service Bulletin No. V2500-ENG-72-0713, Revision 1, dated January 26, 2021. and IAE NMSB No. V2500-E5-72-0015, dated December 15, 2020.

Remarks

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