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SIB NM-12-40 : Boeing 747-400 Aeroplanes – External Power System Connector

Number NM-12-40
Issued by United States of America  United States of America
Issue date 2012-08-07
Effective date
EASA approval number
ATA Chapter
Approval Holder
/ Type Designation
  • Safety Information Bulletin
    • Airworthiness
      • Fixed Wings
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information Boeing Fleet Team Digest, 747-400-FTD-24-01001, “External Power Neutral Wires Shorted,” and Boeing Aircraft Maintenance Manual, Section 24-41-03, titled “External Power Receptacle – Removal/Installation/Inspection."
Remarks Comments regarding this safety information should be referred to the Safety Information Section, Certification Directorate, EASA;
E-mail: ADs [at] easa.europa [dot] eu

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