Safety Publications Tool

US-2026-17-08 : Turbine - High-Pressure Compressor Drum Rotor Disk - Inspection / Replacement

Number US-2026-17-08
Issued by United States of America  United States of America
Issue date 2026-09-08
Effective date 2026-10-08
EASA approval number
ATA Chapter 72
Approval Holder
/ Type Designation
  • PRATT & WHITNEY
    • PW4070
      • PW4074D
      • PW4077D
    • PW4080
      • PW4084D
    • PW4090
      • PW4090
      • PW4090-3
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information (2) You must use this material as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Pratt & Whitney Division (PW) Alert Service Bulletin PW4G-112-A72-373, dated 10 September 2025. (3) For PW material identified in this AD, contact PW, 400 Main Street, East Hartford, CT 06118; phone: (800) 565-0140; email: help24[at]prattwhitney[dot]com; website: connect.prattwhitney[dot]com.
Remarks This AD is considered adopted in accordance with the provisions of ED Decision 2019/018/ED; the ED Decision is available at this link: https://www.easa.europa.eu/en/document-library/agency-decisions/ed-decision-2019018ed. Comments regarding this (E)AD should be referred to the Safety Information Section, Certification Directorate, EASA; E-mail: ADs[at]easa.europa.eu.

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