Delta Flight 1966 from San Juan sparked a massive FDNY response at JFK after reports of landing gear trouble, but the airline says it was precautionary.
https://www.foxnews.com/us/fdny-deploys-140-personnel-jfk-delta-flight-reported-flat-tires-approach-landing
https://www.foxnews.com/us/fdny-deploys-140-personnel-jfk-delta-flight-reported-flat-tires-approach-landing