ALBAWABA - Following an unexpected countrywide ground halt due to a technical problem, American Airlines swiftly resumed operations on Tuesday's Christmas Eve. The Federal Aviation Administration (FAA) said the one-hour interruption affected all US aircraft during the busiest holiday travel time, from 11:50 AM to 12:50 PM GMT, AFP reports. According to the FAA, American Airlines requested the ground stop to address the issue at hand. Citing a “vendor technology ...