STC ST00084WI

This certificate issued to: Teledyne Controls 501 Continental Blvd El Segundo, CA 90245

Part 25 of the Federal Aviation Regulations.

Original Product - Type Certificate Number : A20CE Make: Boeing Model: 747-100 Series, -100B Series, -100B SUD Series, -200B Series, -200C Series, -200F Series, -300 Series, -747SR Series and -747SP Series Description of Type Design Change:

Replacement of the Exhaust Gas Temperature indicators with B&D Instruments Models 65006-003, 65006-004, 65006- 005, 65006-006, 65006-007. Recording Exhaust Gas Temperature indictors in accordance with B&D Installation Manual 65006-003-011, Revision D dated November 19, 1996 or later FAA approved revision; and Flight Manual Supplement 65006-003-013 dated July 26, 1993, Flight Manual Supplement 65006-003-014 dated October 3, 1994, or Flight Manual Supplement 65006-003-015, 65006-003-16 or 65006-003-017 dated November 16, 1996.

Installation of the Model 65006-003 indicators limited to airplanes with Pratt & Whitney JT9D-7, -7A, -7H, or -7AH engines. Installation of the Model 65006-004 indicators limited to airplanes with Pratt & Whitney JT9D-7F engines.

Date of application : March 30, 1993 Date of issuance : July 26, 1993 Date reissued : December 9, 1996; January 5, 1998;

October 2, 2000; June 30, 2003; November 3, 2011 Date amended : November 19, 1996

Original signed by Raymond Johnston

( Signature) Raymond N. Johnston Program Manager Wichita Aircraft Certification Office (Title)

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

Number ST00084WI

Date of Issuance: July 26, 1993 Date Amended: November 19, 1996 Date Reissued: December 9, 1996; January 5, 1998; October 2, 2000;

June 30, 2003; November 3, 2011

Installation of the Model 65006-004 indicators limited to airplanes with Pratt & Whitney JT9D-7J engines. Installation of the Model 65006-006 indicators limited to airplanes with Pratt & Whitney JT9D-7Q engines. Installation of the Model 65006-007 indicators limited to airplanes with Pratt & Whitney JT9D-7R4G2 engines. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of the other previously approved modifications will introduce no adverse effect upon the airworthiness of those airplanes. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

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