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US-2011-25-09 : Engines - High Pressure Turbine Airseal - Replacement [Life Limitation]

Number US-2011-25-09
Issued by United States of America  United States of America
Issue date 2011-12-07
Effective date 2012-01-10
EASA approval number
ATA Chapter 72
Approval Holder
/ Type Designation
  • PRATT & WHITNEY
    • PW4000
      • PW4050
      • PW4052
      • PW4056
      • PW4060
      • PW4060A
      • PW4060C
      • PW4062
      • PW4062A
      • PW4152
      • PW4156
      • PW4156A
      • PW4158
      • PW4160
      • PW4460
      • PW4462
      • PW4650
    • PW4100
      • PW4164
      • PW4164C
      • PW4164C/B
      • PW4168
      • PW4168A
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information Pratt & Whitney Alert SB PW4ENG A72-812 pertains to the actions required by this AD. For a copy of this service information, contact Pratt & Whitney, 400 Main St., East Hartford, Connecticut 06108, USA; telephone: +1 860 565-1605.
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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