Dozens of people were stranded in Europe for a second night on Saturday after their U.S.-bound flight made an emergency landing in Dublin following an engine failure, passengers said. Brussels Airlines flight 101 was en route from Brussels to New York on Friday when pilots issued a “pan-pan” message, which indicates a problem less serious than a “mayday,” when flying at 37,000 feet, aviation media and tracking websites said. Pilots of the 12-year-old Airbus A330-300 requested to divert to Shannon in western Ireland but switched to Dublin on instructions from the airline, according to Aviation Herald, an independent website that tracks airplane incidents. Lufthansa unit Brussels Airlines confirmed that the plane had diverted after an engine warning and said pilots had followed standard procedure. Passengers praised the crew but said they had been put up in hotels in Dublin before being flown to Paris on Saturday, where many were then …