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Honeywell HTF7500E Stator Vane Seal Inspection Program

March 2017

On February 14, 2017, Honeywell released the SIL (Service Information Letter) D201702000027, Revision 0, applicable to the AS907-3-1E (HTF7500E) model engine. 

This SIL announces the 1st and 4th Stage Compressor Stator Vane Seal Inspection Program.

This program is a result of isolated instances of individual rivets separating from the 1st and/or 4th stage high pressure compressor stator vane assemblies on engines with more than 850 hours. This is not a safety issue and no operational issues have been reported.

The details of the program, including borescope inspection intervals, will be further explained in the Service Bulletin AS907-72-9072 scheduled to be published in March 2017. No action needs to be taken at this time.

Contact

Shawn Schmitz Engine Tech Rep Astra, Challenger, Citation, Embraer, Falcon, Global, Gulfstream, Hawker, King Air, Learjet, Westwind Lincoln, NE (LNK) +1 402.479.8166

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