PRATT & WHITNEY CANADA
NUMERICAL INDEX OF SERVICE INFORMATION LETTERS
S.I.L. No. Rev. No. Originator Date Issued Expiry Date Subject Engine Model Applicability
PT6A-111 - A. Chevalier May 01/2002 Clari.cation of Pratt & Whitney Canada Corp.’s Engine Primary Parts Service Policy PT6A-6, PT6A-20, PT6A-21, PT6A-25/-25A/ -25C, PT6A-27, PT6A-28, PT6A-34, PT6A-34AG, PT6A-34B, PT6A-36, PT6A-38, PT6A-41, PT6A-42/-42A, PT6A-45A/-45B /-45R, PT6A-50, PT6A-60A /-60AG, PT6A-61, PT6A-64, PT6A-65AG/ -65AR/-65B /-65R, PT6A-67/-67A/ -67AG/-67B /-67D/-67R/ -67T, PT6A-66/-66A, PT6A-114/ -114A/-114D/ -116, PT6A-135/ -135A Engines
PT6A-112 1 Giovanni Mulas Oct 29/2004 PT6A-67D, Oil Discoloration PT6A-67D Engines
PT6A-113 - P. Del Grande May 13/2002 Fuel Manifold Nozzle Adapter Assemblies PT6A-64, PT6A-65AG, PT6A-65AR, PT6A-65B, PT6A-65R, PT6A-66, PT6A-67A, PT6A-67AF, PT6A-67B, PT6A-67D, PT6A-67R Engines
PT6A-114 - P. Del Grande Jul 03/2002 External Scavenge Oil Pump Improved Nut Retention PT6A Engines
PRATT & WHITNEY CANADA
NUMERICAL INDEX OF SERVICE INFORMATION LETTERS
S.I.L. No. Rev. No. Originator Date Issued Expiry Date Subject Engine Model Applicability
PT6A-115 - G. Mulas Jan 27/2003 Fees Applicable to TBO Extension Recommendations PT6A-67D, PT6A-67R Engines
PT6A-116 2 G. Mulas Apr 01/2008 Borescope Inspection in Conjuction with Fuel Nozzle Check All PT6A Engines
PT6A-117 - G. Mulas Jan 27/2003 Maintenance Practices for Performed Packings (″O″ Rings) All PT6A Engines
PT6A-118 - Peter A. Boyd Feb 03/2003 Interchange of Engines and Parts Between PT6A-xxAG Turboprop Engines, or PT6A Turboprop Engines Used in Agricultural Aircraft and PT6A Turboprop Engines Used in Non-agricultural Aircraft All PT6A Engines
PT6A-119 - G. Mulas Mar 20/2003 P3 Filter Cover -Maintenance Precautions All PT6A Engines
PT6A-120 - G. Mulas Jun 04/2003 Increased Basic Time Between Overhaul (TBO) for the PT6A-64 Engine Model PT6A-64 Engines
PT6A-121 - G. Mulas Jun 04/2003 PT6A-64 In-flight Shut-down Event Investigation and Associated Service Recommendations PT6A-64 Engines
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