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SIB 2012-19R1 : Uncommanded Engine In-Flight Shutdown triggered by the Tachometer Box

Number 2012-19R1
Issued by Europe  Europe
Issue date 2013-01-09
Effective date
EASA approval number
ATA Chapter
Approval Holder
/ Type Designation
  • Safety Information Bulletin
    • Airworthiness
      • Engines
Revision Reason for revision: Since issuance of this SIB, Eurocopter Deutschland (ECD) developed modification K-2725 (ECD Service Bulletin (SB) MBB-BK117-C-2-80-001 for helicopters in service) for the MBB-BK117 C-2 helicopters, which installs an improved support for the tachometer box for reduction of the vibration level. Installation of this support increases the reliability of the tachometer box. This SIB is revised to recommend, for the affected helicopters, incorporation of this modification.
Correction Not applicable
Supersedure None
Publication(s) and related information Turboméca SB 292 77 0369 ECD SB MBB-BK117-C-2-80-001
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