Exhibit 10.1

Supplemental Agreement No. 29

to

Purchase Agreement No. 1980

between

The Boeing Company

and

AMERICAN AIRLINES, INC

Relating to Boeing Model 777 Aircraft

THIS SUPPLEMENTAL AGREEMENT, entered into this 12_ day of March , 2012, (SA-29) by and between THE BOEING COMPANY, a Delaware corporation with offices in Seattle, Washington, (Boeing) and American Airlines, Inc. (Customer);

RECITALS:

WHEREAS, Boeing and Customer entered into Purchase Agreement No. 1980 dated as of October 31, 1997, as amended and supplemented relating to Boeing Model 777 aircraft (the Purchase Agreement) (capitalized terms used herein without definition shall have the meanings specified therefor in such Purchase Agreement); and

WHEREAS, Customer and Boeing have agreed pursuant to Letter Agreement No. 6-1162-AKP-110R3 entitled “Aircraft Purchase Rights and Substitution Rights” (777 Aircraft Purchase & Substitution Rights Letter), among other things, to:

a) revise the delivery position of one specified MADP Right (the Revised MADP Right) as follows:

b) revise the delivery positions of the following specified QADP Rights (Revised QADP Rights) as follows:

BOEING PROPRIETARY

c) convert two MADP Rights (Former [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] MADP Rights) into two QADP Rights, each with an option exercise date of [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] Quarter [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] QADP Rights).

BOEING PROPRIETARY

d) convert one QADP Right (Former QADP Right) into an MADP Right with an option exercise date of [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] (New MADP Right).

NOW THEREFORE, In consideration of the mutual covenants herein contained, the parties agree to amend the Purchase Agreement as follows:

The “Table of Contents” to the Purchase Agreement is deleted in its entirety and a revised “Table of Contents,” attached hereto and identified with an “SA-29” legend, is substituted in lieu thereof to reflect the changes made by this SA-29.

BOEING PROPRIETARY

Attachment B entitled “Information Regarding MADP Rights to Letter Agreement No. 6-1162-AKP-110R3” is deleted in its entirety and a revised Attachment B (Revised Attachment B), attached hereto, is substituted in lieu thereof.

Attachment C entitled “Information Regarding QADP Rights to Letter Agreement No. 6-1162-AKP-110R3” is deleted in its entirety and a revised Attachment C (Revised Attachment C), attached hereto, is substituted in lieu thereof.

Revised Attachment B incorporates revisions that:

Revised Attachment C incorporates revisions that:

BOEING PROPRIETARY

Boeing acknowledges that Customer is a debtor in possession under chapter 11 of title 11 of the United States Code (the Bankruptcy Code) in the cases styled “In re AMR Corporation, et al.” pending in the United States Bankruptcy Court for the Southern District of New York, case no. 11-15643 (SHL) (Jointly Administered). Customer believes that it has all requisite authority to enter into this Supplemental Agreement No. 29. The parties agree that this Supplemental Agreement No. 29 does not constitute an assumption, rejection, or assumption and assignment of the Purchase Agreement or cause the Purchase Agreement as a whole to become a new post-petition agreement and that entry into this Supplemental Agreement No. 29 shall not affect any rights of Customer or Boeing under the Bankruptcy Code.

EXECUTED IN DUPLICATE as of the day and year first above written.

BOEING PROPRIETARY

TABLE OF CONTENTS

BOEING PROPRIETARY

BOEING PROPRIETARY

BOEING PROPRIETARY

Attachment B to Letter Agreement 6-1162-AKP-110R3 (Model 777)

Information Regarding MADP Rights

In addition to (i) revising the delivery position of MSN 67665 from [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] to [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] and (ii) adding the MADP Right for MSN 101794 due to its conversion to MADP Right from a QADP Right (as described in Revised Attachment C), SA-29 eliminates the following two MADP Rights from Revised Attachment B (due to their conversion to QADP Rights and being added to Revised Attachment C):

SA-29, Page 7 of 8

Attachment C to Letter Agreement 6-1162-AKP-110R3 (Model 777)

Information Regarding QADP Rights

In addition to (i) revising the delivery positions of MSNs 101790 and 181031 and (ii) reflecting the addition of MSNs 67660 and 101795 (due to their conversion to QADP Rights from MADP Rights) both as specified above, SA-29 eliminates the following QADP Right from Revised Attachment C (due to its conversion to MADP Right and being added to Revised Attachment B):

SA-29, Page 8 of 8