Tried another $75 AA GC. no success. here's the email I received.



As a Ritz-Carlton Rewards Cardmember, one of the many
benefits is to receive a statement credit for travel
incidentals up to $300 per calendar year (January 1 -
December 31). Only the following types of non-ticket
purchases qualify to receive credit for the travel
Incidental Credit benefit offered on this card:
- Airline lounge day pass, or towards a yearly lounge
membership of your choice
- Airline seat upgrades
- Airline baggage fees
- In-flight internet/entertainment
- In-flight meals
- Trusted Traveler programs:
-TSA PreCheck
-Nexus
-Sentri


The credit cannot be applied to:
- Taxis/subway/car rental/airport parking
- Airline gift card purchase
- Airline ticket purchases, including award booking fees,
taxes related to a ticket purchase or pet cabin/flight
fees - Ticket cancellation fees
- Duty free shops

please provide us with additional information or
documentation to show that the $75.00 charge from American
Airlines posted on February 5, 2018 is for one of the
qualified travel incidental charges listed above. Once we
review the information requested we will issue credit in
accordance with the terms of the benefit. To view or use
your Rewards points, go to ritzcarltonrewards.com or call
Guest Services at 1-888-696-0394.

Update: I told them that it was a check in luggage fee for 3 people via SM and $75 was reimbursed.