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US-2007-25-19 : Crew Rest Area Air Distribution System Heat Exchanger Shells - Inspection

Number US-2007-25-19
Issued by United States of America  United States of America
Issue date 2007-12-12
Effective date 2007-12-26
EASA approval number
ATA Chapter 21
Approval Holder
/ Type Designation
  • BOEING
    • 747
      • 747-400
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information Boeing Alert Service Bulletin 747-21A2439, dated November 3, 2005; or Revision 1, dated July 24, 2006, or Revision 2, dated May 24, 2007. Contact Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124-2207, for a copy of this service information.
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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