STC ST11080SC

Number: ST11080SC

This certificate issued to: American Airlines, Inc.

3900 N. Mingo Road Engineering Dept., MD 208 Tulsa, OK 74116

Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A2NM Make: Boeing Model: 757-200 Series

Installation of First Class cabin seats and re-pitch of Main Cabin seats on 757-200 aircraft in accordance with Master Data List, 100641-MDL, Revision C, January 25, 2017, or later ODA-700094-SW 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.

This STC is contingent on prior or concurrent incorporation of the following STCs:

1. ST02221AT

2. ST00154NY-D

(Limitations and Conditions continued on page 3 of 3)

Date of Application: July 07, 2015 Date Reissued:

Date of Issuance: November 20, 2015 Date Amended: January 25, 2017 By direction of the Administrator

Signature C. L. Hurst

Title: ODA-700094-SW Administrator

FAA Form 8110-2 (8/13) Page 1 of 3

SUPPLEMENTAL TYPE CERTIFICATE, FAA FORM 8110-2 (CONTINUED)

ST11080SC

To (Name of transferee)

(Address of transferee)

(Number and street)

(City, State, and ZIP Code)

From (Name of grantor)

(Address of grantor)

(Number and street)

(City, State, and ZIP Code)

FAA Form 8110-2 (8/13) Page 2 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST11080SC Date of Issuance: November 20, 2015

The Instructions for Continued Airworthiness, Document Number 100641-ICA, Revision C, dated November 29, 2016 or later FAA AEG accepted revision shall be made available to the operator at the time of installation. The aircraft shall be maintained in accordance with the 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 Boeing Model 757-200 Series aircraft for the change is as follows:

a. The Type Certification basis for Boeing Model 757-200 Series airplanes is shown on TCDS A2NM 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, July 7, 2015 is based upon Part 25, as amended by Amendment 25-141 and Part 26 as amended by Amendment 26-6.

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 25-141

25.791(a)(b)(d)(e), 25.851(a)(1)(4)(5)(6), 25.981(a)(3)(d), 25.1307(c), 25.1529, 25.1557(a)(c), 25.1561(b)(c)

Regulations at an intermediate amendment

25.785(a)(b)(c)(f)(1)(3)(i)(j)(k) Amendment 25-72, 25.787(a)(b) Amendment 25-51, 25.812(e)(1) Amendment 25- 58, 25.813(a)(b)(d)(e) Amendment 25-76, 25.853(a)(c)(d)(e) Amendment 25-83, 25.869 (a)(4) Amendment 25-72

Regulations at the amendment level in TCDS A2NM

25.21(a)(1), 25.29, 25.301(a), 25.303, 25.305(a)(b), 25.307(a), 25.561(b)(1)(3)(c), 25.601, 25.603, 25.605, 25.609,

25.611, 25.613(a)(b)(d), 25.619, 25.625(a), 25.789, 25.803(c), 25.811(d)(3), 25.815, 25.817, 25.1301(a)(b)(c)(d),

25.1309(a)(b)(e)(f)(g), 25.1351(a), 25.1353(a)(b), 25.1357(a)(c), 25.1411(a)(b)(f), 25.1415(b)(1), 25.1431(a)(c),

25.1447(a)(c)(1)(3)(4), 25.1541

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)(d)(5) (Amendment No. 26-0).

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FAA Form 8110-2(8/13) Page 3 of 3