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US-2009-07-12 : High Pressure Rotor 4-step Air Balance Piston Stationary Seals - Removal / Modification / Replacement

Number US-2009-07-12
Issued by United States of America  United States of America
Issue date 2009-04-07
Effective date 2009-05-07
EASA approval number
ATA Chapter 72
Approval Holder
/ Type Designation
  • GENERAL ELECTRIC
    • CF34
      • CF34-1A
      • CF34-3A
      • CF34-3A1
      • CF34-3A2
      • CF34-3B
      • CF34-3B1
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information GE CF34-AL SB 72-0238, and CF34-BJ SB 72-0217, both dated 27 July, 2007. Copies may be obtained from GE Aircraft Engines, 1000 Western Avenue, Lynn, MA 01910; Attention: CF34 Product Support Engineering, Mail Zone: 34017; telephone (781) 594-6323; fax (781) 594-0600.
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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