Airworthiness Directives (ADs)

Aviation Industry

CAA-2023-09-007

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: 2023/09/23

Applicability: This AD applies to General Electric Company （GE） Model GEnx–1B64/P2, GEnx–1B67/P2, GEnx–1B70/75/P2, GEnx–1B70/P2, GEnx–1B70C/P2, GEnx–1B74/75/P2, GEnx–1B76/P2, GEnx–1B76A/P2, GEnx–2B67/P engines with an installed: （1） Stages 6–10 compress rot spool having a part number （P/N） serial number （S/N） listed in paragraph 4, Appendix—A, Table 1 of GE GEnx–1B Service Bulletin 72–0515, R00, dated January 31, 2023 （GEnx–1B 72–0515 R00）; （2） Fward seal having a P/N S/N listed in paragraph 4, Appendix—A, Table 2 of GEnx–1B 72–0515 R00; （3） Stages 6–10 compress rot spool having a P/N S/N listed in paragraph 4, Appendix—A, Table 1 of GE GEnx–2B Service Bulletin 72–0452, R00, dated January 31, 2023. （GEnx–2B 72–0452 R00）; （4） Fward seal having a P/N S/N listed in paragraph 4, Appendix—A, Table 2 of GEnx–2B 72–0452 R00.

Model Number: GEnx–1B GEnx–2B engines.

CAA AD Number: CAA-2023-09-007

Aeronautics Authority of Original AD: FAA

Original AD Number: 2023-17-08

Effective Date: 2023/10/23

Subject: This AD requires the replacement of the affected stages 6–10 compress rot spools fward seals.

Reference Publications (Revision/ATA/SB): ATA 72. Ref. GEnx–1B Service Bulletin 72–0515, R00, dated January 31, 2023. GE GEnx–2B Service Bulletin 72–0452, R00, dated January 31, 2023.

Remarks

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