STC ST11268DS

Number: ST11268DS

This certificate issued to: American Airlines, Inc.

Maintenance and Engineering (M&E) Division 3900 North Mingo Road, MD 537/TUL Tulsa, Oklahoma 74116

Part 25 of the Title 14, Code of Federal Regulations (CFR).

Original Product Type Certificate Number: A28NM Make: Airbus Model: A319-115 Description of Type Design Change: Installation of a Pre-Recorded Announcement Machine (PRAM), hanging soft dividers, and sidewall mounted literature pockets in accordance with Master Data List, 104882-MDL, Revision New, dated January 14, 2026, or later FAA approved revision, Serial Number Effectivity Report 104882-SNER, Revision New, dated January 8, 2025, or later FAA approved revision.

This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with previously approved modifications has been determined by the installer. 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.

(Limitations and Conditions continued on page 3 of 4)

Date of Application: January 3, 2025 Date Reissued:

Date of Issuance: January 23, 2026 Date Amended:

Signature Richard Hazlewood

Title: ODA-700094-SW STC Administrator

Number: ST11268DS Effective Date: January 23, 2026

Transfer the ownership of Supplemental Type Certificate Number: ST11268DS

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST11268DS Effective Date: January 23, 2026

This STC is contingent on prior or concurrent incorporation of the following Airbus service bulletins:

For Aircraft Serial Numbers 5678, 5698, 5704, 5745, 5753, 5761, 5781, 5786, 5788, 5789, 5798, 5810, 5827, 5842, 5327, 6040, 6085, 6150, 6154, 6263, 6277, 6310, 6349, 6384, 6393, 6429, 6437, 6456, 6491, 6552, 6595, 6644

1. Airbus Service Bulletin for Equipment/Furnishings – Passenger Compartment – Install 132 Passenger Seats and Space Flex Version 2 (SF V2) for a Two Class Configuration, SB SB25-1CGQ, Revision 01, dated January 6, 2026, or later approved revision

2. Airbus Service Bulletin for Equipment/Furnishings – Overhead Stowage Compartments – Install XL Fixed Bins with Enhanced Cabin Intercommunication Data System (CIDS), SB SB25-1CGR, Revision 01, dated January 6, 2026, or later approved revision

3. Airbus Service Bulletin for Fuselage – Install Provisions for Upper Attachment and Floor Structure to Install a 132 PAX Cabin Layout with Space Flex Version 2 (SF V2), SB SB53-1537, Revision 00, dated December 4, 2024, or later approved revision

4. Airbus Service Bulletin for Equipment/Furnishings – Install Monuments & Emergency Equipment, SB SB25AI179, Revision B, dated January 19, 2026, or later approved revision

The Instructions for Continued Airworthiness, Document Number 104882-ICA, Revision B, dated October 6, 2025, or later FAA accepted revision shall be made available to the operator at the time of installation. The aircraft shall be maintained in accordance with the applicable Instructions for Continued Airworthiness.

A revised EWIS ICA is not required for this STC.

Certification Basis:

Based on 14 CFR 21.115 and 21.101, and the FAA policy for non-significant changes in FAA Order 8110.48, the certification basis for the Airbus Model A319-115 aircraft for the change is as follows:

a. The Type Certification basis for Airbus Model A319-115 airplanes is shown on TCDS A28NM for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, January 3, 2025, is based upon Part 25, as amended by Amendment 25-153 and Part 26 as amended by Amendment 26-7. Based on 14 CFR 21.115 and 21.101, and the FAA policy for non-significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 25-0 through 25-153:

25.301, 25.303, 25.562(c)(5)(6) 25.601, 25.603, 25.605(a), 25.609, 25.619, 25.789(a), 25.815, 25.853(a)(d),

25.1423(c), 25.1529, 25.1541

Regulations at an intermediate amendment level:

25.869(a)(4) Amendment 25-72, 25.981(a)(3)(d) Amendment 25-125

Regulations at the amendment level in TCDS A28NM:

25.21(a)(1), 25.29, 25.305(a)(b), 25.307(a), 25.365(g), 25.561, 25.611, 25.613, 25.625, 25.785(b), 25.787(a), 25.791,

25.803(a), 25.1301, 25.1307(c), 25.1309(a)(b)(d)(e)(f)(g), 25.1351(a), 25.1353(a)(b), 25.1357(a)(c), 25.1431(a)(c)

(Certification Basis continued on page 4 of 4)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST11268DS Effective Date: January 23, 2026 Certification Basis (continued):

14 CFR Part 26 Regulations Based on 14 CFR §21.101(g), applicable provisions of 14 CFR part 26 are included in the certification basis. For any future 14 CFR part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance of this STC, compliance has been found for the following regulations 14 CFR § 26.11(c) Amendment 26-0.

Special Conditions:

FAA Special Condition 25-375-SC, “Special Conditions: Airbus A318, A319, A320 and A321 Series Airplanes;

Inflatable Restraints”, dated 4 January 2009; SC1, SC8

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