https://www.sfchronicle.com/bayarea/article/united-flight-hawaii-sfo-diversion-20298658.php
A United Airlines flight from Hawaii to Denver was forced to divert to San Francisco early Monday morning after a malfunctioning door sensor prompted precautionary measures, officials said. United Flight 1731, a Boeing 777-200, departed Kona International Airport at 6:56 p.m. Sunday and was en route to Denver when the crew received an alert indicating an open cargo door, according to the Federal Aviation Administration.
A United Airlines flight spent about an hour circling over New Jersey before returning to Newark Liberty International Airport due to an on-board mechanical issue, according to the carrier and aviation officials. United Flight 1321 departed the airport around noon Monday bound for Los Angeles, California, according to flight data. A mechanical issue was detected around 12:45 p.m., prompting a return to Newark, according to an airline spokesperson.
一天两期返航备降 销冠对维护这么不上心的么 