STC ST09821DS

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

Number: ST09821DS 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: 777-300ER Series Description of Type Design Change:

777-300ER Interior Reconfiguration in accordance with United Airlines Master Drawing List 2500DA15142 dated August 11, 2018 or later FAA approved revision.

Instructions for Continued Airworthiness, Document Number 2520R01510C dated July 24, 2018, or later FAA accepted revision is required for this installation. No AFM Supplement or EWIS ICA is required for this modification.

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 prod uct, the holder must give the other person written evidence of that permission.

Date of Application: May 29, 2018 Date Reissued:

Date of Issuance: August 17, 2018 Date Amended:

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: ST09821DS To (Name and address of transferee)

From (Name and address of grantor)

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United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09821DS

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 May 29, 2018, is based upon the type certification basis shown in TCDS T00001SE with the following exceptions.

14 CFR Part Amdt

25.981 25-102

c. The modification certification basis also includes Special Conditions Number 25-367-SC, dated February 7, 2008.

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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: ST09821DS

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: ST09821DS

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: ST09821DS