PRATT & WHITNEY CANADA
NUMERICAL INDEX OF SERVICE INFORMATION LETTERS
S.I.L. No.  Rev. No.  Originator  Date Issued  Expiry Date  Subject  Engine Model Applicability 
PW100-138  0  G. Lauzier A. Marez  Dec 14/2010  Auto Feathering Units (AFU) Inspection/Repair at Shop Visits  PW121A, PW124B, PW125B, PW126, PW126A, PW127, PW127B, PW127C, PW127E, PW127F, PW127M, PW127G, PW127H, PW127J Engines 
PW100-139  - M. Vincent M. Proulx  Dec 21/2010  Propeller Shaft Crack at the No. 19 Bearing Area  All PW100 Engines 
PW100-140  - G. Lauzier M. Proulx  Feb 25/2011  PW127G High Power Turbine (HPT) Blade Investigation  PW127G Engines 
PW100-141  - M. Vincent M. Proulx  Mar 04/2011  PW100 Propeller Shaft Inspection and Replacement  All PW100 Engines 
PW100-142  - C. Yip M. Proulx  Mar 18/2011  PW100 Inspection Tasks to Allow Return to Service of Improperly Preserved Engines  All PW100 Engines 
PW100-143  - L-M. Trottier  May 12/2011  May 12/2012  PW100 Engine Diagnostic Tool on Customer Portal  All PW100 Engines 
PW100-144  - M. Vincent M. Proulx  May 03/2011  PW100 Propeller Shaft Inspection and Replacement  All PW100 Engines 
PW100-145  - G. Lauzier M. Proulx  Aug 24/2011  Monitoring of Events Involving Engine Propeller Brakes  All PW120, PW121, PW121A, PW124B, PW127, PW127E, PW127F, PW127H, PW127G, PW127M Engines 
PW100-146  1  M. Proulx M. Letarte  Jul 27/2011  Sep 30/2011  High Pressure Turbine Bolt (HPT Bolt) -Raw Material Shortage  All PW100 Engine 

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PW100 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 
PW-281  - R. F. Trumper  Mar 04/1993  FAA PW100 Intercompressor Case (ICC) Oil Fire AD # 92-22-01  All PW100 Engines 
PW-289  2  M. Caille  Apr 02/2007  PW100 Borescope Video CANCELLED  All PW100 Series Engines 
PW-317  1  M. Caille  Mar 23/2007  Use of Maximum Rated Power at Take-off CANCELLED  All PW100 Series Engines 

PRATT & WHITNEY CANADA
NUMERICAL INDEX OF SERVICE INFORMATION LETTERS
SECTION 2 -PW200 SIL’s
S.I.L. No.  Rev. No.  Originator  Date Issued  Expiry Date  Subject  Engine Model Applicability 
PW200-001 EXPIRED  - R. Ortuso  Apr 10/1995  Apr 10/1996  Incident of Abnormal PW206A Engine Starts  PW206A Engines 
　
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