STC ST00166IB

IMPORT ST00166IB

BOEING IRELAND LIMITED LEVEL 3 EAST, CLOGHRAN HOUSE

DUBLIN AIRPORT

DUBLIN AIRPORT K67 F3X2 IRELAND Part 25 Title 14 Code of Federal Regulations T00001SE The Boeing Company 777-300ER Series

1. Installation of Saudi Arabian Airlines, Cabin Reconfiguration must be in accordance with Boeing Ireland Limited Change / Repair Approval No. BIL-00198-APP, Rev. 01, dated October 17, 2023, or later EASA approved revisions. The aircraft configuration is changed from a production 30J (Business Class) + 383Y (Economy Class) passenger seat layout to a 12J (Business Class) + 433Y (Economy Class) passenger seat layout.

(See Description of Type Design Change Continued on Page 3 of 3)

1. The installer must determine whether this design change is compatible with previously approved modifications.

(See Limitations and Conditions Continued on Page 3 of 3) November 9, 2023 December 22, 2023 Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

IMPORT ST00166IB 3

IMPORT ST00166IB Date of Issuance: December 22, 2023

Description of Type Design Change (continued):

2. Aircraft is to be maintained in accordance with Boeing Ireland Limited Instructions for Continued Airworthiness No. BIL-00198-ICA01, Rev. 00, dated June 22, 2022, or later EASA accepted revisions.

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

3. This STC is applicable to all serial numbers for this Make-Model.

Certification Basis:

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

a. The type certification basis for The Boeing Company 777-300ER Series aircraft is as shown on TCDS T00001SE for parts not changed or not affected by the change.

b. The type certification basis for the The Boeing Company 777-300ER Series aircraft is shown on TCDS T00001SE for parts changed or affected by the change.

----------END---------- 3 3