Yes the zippers can certainly be damaged. Not sure what you will be able to do since you are already home, so not at the airport.

Did the luggage come with any kind of 'repair warranty'?

DAMAGED BAGGAGE & REPAIR

Damaged Baggage & Repair

If you feel your baggage was damaged during a flight, bring it to the Delta Air Lines airport baggage office immediately after arrival. All damages will need to be reviewed and evaluated by the baggage service office personnel. If advised, complete the Baggage Claim Form above, in "Begin Your Claim", as soon as possible. You must report your claim within 24 hours for U.S. travel and seven days for international travel.

If we are repairing your damaged baggage, you can easily track the progress of your bag’s repair by visiting our partner site, Rynn's Luggage, at Netbags.comOpens External Site in new window.

Normal Wear & Tear

Delta assumes no liability for preexisting damage, including minor cuts, scratches, and broken zippers as a result of over packing, or for wear and tear resulting from ordinary handling of baggage.

Random Search Damage

If the Transportation Security AdministrationOpens External Site in new window (TSA) has made a random search of your bag, you will find written notification inside your luggage or a seal outside of your luggage, informing you of such. If you feel they damaged your bag during a random inspection, you can contact them at 1-866-289-9673.