STC ST09817DS

FAA Form 8110-2 (5/14) Page 1 of 3

Number: ST09817DS This certificate issued to: United Airlines 600 Jefferson St.

Houston, TX 77002 Part 25 of the Federal Aviation Regulations Original Product – Type Certificate Number: Make: The Boeing Company T00001SE Model: 777-200 Series Description of Type Design Change:

777-200 Interior Reconfiguration in accordance with United Airlines Master Drawing List 25 20DA14643 Revision ‘H’, dated January 28, 2019 or later FAA approved revision.

Supplemental Instructions for Continued Airworthiness Number 2520R01420C Revision ‘B’ dated January 7, 2019, EWIS Source Document Number 2500R01496 dated January 15, 2018 and AFM Supplement TP16-628AFM dated March 26, 2018, or later FAA approved revisions must be made available to the operator at the time of installation.

1) The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft.

2) If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of Application: March 23, 2017 Date Reissued:

Date of Issuance: April 3, 2018 Date Amended: January 29, 2019 By Direction of the Administrator Signature Title Patrick Ashton, STC Administrator United Airlines Organization Designation Authorization

FAA Form 8110-2 (5/14) Page 2 of 3

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST09817DS To (Name and address of transferee)

From (Name and address of grantor)

FAA Form 8110-2 (5/14) Page 3 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09817DS

3) Prior or concurrent installation of the following modifications is required with this STC (aircraft applicability is identified within the following documentation):

- Boeing Service Bulletin 777-44-0034, Original Issue, dated July 06, 2017, or later FAA approved revision

- Boeing Service Bulletin 777-51-0004, Original Issue, dated November 21, 2018, or later FAA approved revision

- Boeing Service Bulletin 777-53-0085, Original Issue, dated April 27, 2017, or later FAA approved revision

- AVOX System FAA STC ST03487NY, issued November 12, 2014, or later amendment Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are not significant in FAA Order 8110.48, the certification basis for this modification is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown in TCDS T00001SE.

b. The certification basis for parts changed or affected by this modification since the reference application date March 23, 2017, is based upon the type certification basis shown in TCDS T00001SE with the following exceptions.

14 CFR Part Amdt 14 CFR Part Amdt

25.853 (a)(c)(d)(e)(f)(h)(g) 83 25.981 (b) 102

25.856 (a) 111 25.1353 (a)(b)(d) 113

25.869 (a)(1)(4) 113 25.1585 (a) 105

c. The modification certification basis also includes Special Conditions Number 25-367-SC, dated February 7, 2008 and 25-230-SC (2)(b)(3), dated April 9, 2003.

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FAA Form 8110-2 (5/14) Page 4 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09817DS

FAA Form 8110-2 (5/14) Page 5 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09817DS

FAA Form 8110-2 (5/14) Page 6 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09817DS