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SIB NE-13-31 : Pratt & Whitney PW4000 Engines – Scavenge Oil Tube Coking and Proper Cleaning at Overhaul

Number NE-13-31
Issued by United States of America  United States of America
Issue date 2013-05-14
Effective date
EASA approval number
ATA Chapter 72
Approval Holder
/ Type Designation
  • Safety Information Bulletin
    • Airworthiness
      • Engines
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information Pratt & Whitney CIR Manual part number (P/N) 51A357 ATA Sections: 72-54-00 Turbine Exhaust Case, 72-54-07 Pressure Tube, 72-54-08 Scavenge Tube Outer, 72-54-09 Scavenge Tube Inner, 72-54-10 Oil Nozzle, 72-54-19 Transfer Tube, 72-54-20 Damper Supply Tube, 72-54-21 Front Nozzle
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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