Page 10-4

ALL Engine Models (Gen) SIL’s
PRATT & WHITNEY CANADA
NUMERICAL INDEX OF SERVICE INFORMATION LETTERS
S.I.L. No.  Rev. No.  Originator  Date Issued  Expiry Date  Subject  Engine Model Applicability 
Gen-049  - R. Farell  Nov 28/1998  Warranty Coverage, Minimum Service Bulletin Lists and Service Bulletin (SB) Compliance Code  All Engine Models 
Gen-050 EXPIRED  - L. M. Trottier  Dec 15/1998  Dec 15/1999  ″Request for Evaluation″ for Components Exhibiting Damage not Covered in Existing PRATT & WHITNEY CANADA INC. (P&WC) Publications  All Engine Models 
Gen-051 EXPIRED  0  V. Mastrocola  Feb 05/1999  Feb 05/2000  In Service Experience -Reliablility Data  All Engine Models 
Gen-052  1  V. Mastrocola  Aug 09/1999  Return of Defective New Material  All Engine Models 
Gen-053  - R. Day  Jul 07/2000  Accessory Part Number Identi.cation and Minus Con.guration  All Engine Models 
Gen-054 EXPIRED  0  D. Reid  Apr 27/1999  Apr 27/2000  Availability of Computer Assisted Training (CAT) Material  All Referenced Engine Models 
Gen-055  4  L. Dubois  Jul 18/2011  Jul 18/2012  Guidelines and Standards for Subscribing and Utilizing the Internet-based Engine Condition Trend Monitoring WebECTM Services  All Engines Models 
Gen-056 EXPIRED  1  A. Chevalier  Jul 01/2000  Jul 01/2001  Warranty and Commercial Support Claims on the Internet  All Engine Models 
Gen-057  0  M. Caille  Dec 23/1999  Parts Substitution List (PSL)  All Engine Models 
Gen-058 EXPIRED  0  T. Clark  Nov 30/1999  Nov 30/2000  Relocation of P&WC’s U.K. Support Services  All Engine Models 
Gen-059 EXPIRED  0  P. A. Boyd  Feb 03/2000  Feb 03/2001  Introduction of Life Limited Components Made from Screw Press Forgings  PW100, PW200, PW300, PW500, PW900, PT6 Engines 
Gen-060 EXPIRED  0  K. Blackie-Gibbons  Feb 14/2000  Feb 14/2001  Extranet Access for Service Bulletins  All Engine Models 

Page 10-5

ALL Engine Models (Gen) SIL’s
PRATT & WHITNEY CANADA
NUMERICAL INDEX OF SERVICE INFORMATION LETTERS
S.I.L. No.  Rev. No.  Originator  Date Issued  Expiry Date  Subject  Engine Model Applicability 
Gen-061  4  M. Meraw  Jan 11/2011  Requests for Engine Related Information  All Engine Models 
Gen-062 EXPIRED  0  P. Boyd  Mar 19/2001  Mar 19/2002  Replacement of Exxon Turbine Oils by Air BP Oils  All Engine Models 
　
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