STC SA3140SO

FAA Form 8110-2 (5/14) Page 1 of

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Title SA3140SO Purolator Facet, Inc.

8439 Triad Drive Greensboro, NC 27409 4b Civil Air Regulations.

McDonnell Douglas DC-8 2 4A25 Installation of a replacement coalescer filter, Greentree Aerotech, Inc., (GAI) P/N 22D10 or P/N 22D10-2, as shown on Drawing No. 22D10, Rev. A, dated 1/2/92, or 22D10-2, Original Issue, dated 3/10/92, respectively, or later FAA Approved revision, in certain Garrett AiResearch Mfg. Co., Separator Assemblies of the air conditioning system in accordance with GAI Installation Drawing No. CD-22D10, Rev. A, dated 1/2/92, or CD-22D10-2, Rev. A, dated 3/16/92 respectively, or later FAA Approved revision.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane.

October 10, 1996, November 20, 2017 August 3, 1992, July 9, 1992 September 16, 1991 January 23, 1992 Tina Miller Manager, Program Management Section Wichita ACO Branch

FAA Form 8110-2 (5/14) Page 2 of

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2 SA3140SO