An emergency slide deployed from the Qatar-gifted Boeing 747 at Joint Base Andrews before Trump explained it was part of a routine safety check.
https://www.foxnews.com/politics/emergency-slide-sparks-questions-trumps-new-air-force-one-before-president-reveals-why
https://www.foxnews.com/politics/emergency-slide-sparks-questions-trumps-new-air-force-one-before-president-reveals-why