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US-2012-18-17 : Engines - High-Pressure Compressor (HPC) Drum Rotor Disk Assembly - Inspection / Replacement

Number US-2012-18-17
Issued by United States of America  United States of America
Issue date 2012-09-19
Effective date 2012-10-22
EASA approval number
ATA Chapter 72
Approval Holder
/ Type Designation
  • PRATT & WHITNEY
    • PW4000
      • PW4052
      • PW4056
      • PW4060
      • PW4062
      • PW4062A
      • PW4152
      • PW4156A
      • PW4158
      • PW4460
      • PW4462
    • PW4070
      • PW4074
      • PW4077
      • PW4077D
    • PW4080
      • PW4084D
    • PW4090
      • PW4090
      • PW4090-3
    • PW4100
      • PW4164
      • PW4168
      • PW4168A
Revision Not applicable
Correction Not applicable
Supersedure This AD supersedes AD 2010-18-13
Publication(s) and related information Pratt & Whitney Service Bulletin No. PW4G-100-72-240, Revision 1, dated June 12, 2012. Pratt & Whitney Service Bulletin No. PW4G-100-72-241, dated November 15, 2011. Pratt & Whitney Service Bulletin No. PW4ENG 72-816, Revision 1, dated June 12, 2012. Pratt & Whitney Service Bulletin No. PW4ENG 72-817, dated December 7, 2011. Pratt & Whitney Service Bulletin No. PW4G-100-72-186, Revision 1, dated September 2, 2004. Pratt & Whitney Service Bulletin No. PW4G-112-72-264, Revision 2, dated February 23, 2010. Pratt & Whitney Service Bulletin No. PW4ENG 72-796, dated June 11, 2009. For Pratt & Whitney service information identified in this AD, contact Pratt & Whitney, 400 Main St., East Hartford, CT 06108; phone: 860-565-7700; fax: 860-565-1605.
Remarks Comments regarding this AD should be referred to the Safety Information Section, Certification Directorate, EASA;
E-mail: ADs [at] easa.europa [dot] eu

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