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6-1162-TRW-0667

| Subject: | GENX-1B74/75      Powered 787-9 Performance RetentionCommitment |
|----------|-----------------------------------------------------------------|

| Reference: | Purchase      Agreement No. 3219 (the Purchase      Agreement) between The Boeing Company (Boeing)      and American Airlines, Inc. (Customer)      relating to Model 787-923 Aircraft (Aircraft). |
|------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 1.   | Aircraft      Commitment. |
|----------------|---------------------------|

| Time      After Delivery of the First Covered Aircraft | Cumulative      Fleet Average Fuel Mileage Deterioration Commitment (%) |
|--------------------------------------------------------|-------------------------------------------------------------------------|
|                                                   |                                                                    |
|                                                   |                                                                    |

| 2.   | Applicability and      Performance Retention Term. |
|----------------|----------------------------------------------------|

| 2.1   | Delivery Schedule for      Covered Aircraft. |
|-----------------|----------------------------------------------|

| 2.2   | Performance Retention      Term. |
|-----------------|----------------------------------|

| 3.   | Conditions. |
|----------------|-------------|

| 3.1   | Operation and      Maintenance. |
|-----------------|---------------------------------|

| 3.2   | Powerback. |
|-----------------|------------|

| 4.   | Determination of Fuel      Mileage Deterioration. |
|----------------|---------------------------------------------------|

| 5.   | Notice of Performance      Deterioration. |
|----------------|-------------------------------------------|

| 6.   | Election of      Actions. |
|----------------|---------------------------|

| 6.4   | Corrective      Actions. |
|-----------------|--------------------------|

| 7.   | Payments. |
|----------------|-----------|

|   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|--------|------------------------------------------------------------------------------------------------------------------------------------|

| 8.   | Duplication of      Benefits |
|----------------|------------------------------|

| 9.   | Assignment      Prohibited. |
|----------------|-----------------------------|

| 10.   | Exclusive      Remedy. |
|-----------------|------------------------|

| 11.   | Confidential      Treatment. |
|-----------------|------------------------------|

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|   | [CONFIDENTIAL      PORTION OMITTED AND FILE |
|--------|---------------------------------------------|

|   | SEPARATELY      WITH THE COMMISSION PURSUANT TO A |
|--------|---------------------------------------------------|

|   | REQUEST      FOR CONFIDENTIAL TREATMENT]. |
|--------|-------------------------------------------|

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|  (a) | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|-----------|------------------------------------------------------------------------------------------------------------------------------------|

| (b) | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|-----|------------------------------------------------------------------------------------------------------------------------------------|

|  (c) | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT].: |
|-----------|-------------------------------------------------------------------------------------------------------------------------------------|

| (i)   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|-----------------|------------------------------------------------------------------------------------------------------------------------------------|

|   | (ii) | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|--------|------|------------------------------------------------------------------------------------------------------------------------------------|

|   | (iii) | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|--------|-------|------------------------------------------------------------------------------------------------------------------------------------|

| NOTE: | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|-------|------------------------------------------------------------------------------------------------------------------------------------|

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