Certification of the 737-7 took years of dedication and miles of expertise. 🛫 This week we celebrated the #TeamBoeing members who made it happen. Their work included: ✈️More than 1,000 hours of flight and ground testing ⚙️Extensive system safety analysis and human factors reviews ❄️An updated engine anti-ice system This team's attention to detail and commitment to safety and quality, under Federal Aviation Administration oversight, helped make this milestone possible.