Lufthansa Boeing 747 #LH712 returned to Frankfurt 9 hours after departure
Flight LH712 from Frankfurt to Seoul returned to Frankfurt. Lufthansa flight from Frankfurt to Seoul was operated by a Boeing 747-400. The aircraft (reg. D-ABTL) departed at 16:15 CEST using normal route to South Korea. However 5 hours later, while flying over Kazakhstan the crew contacted ATC about a technical issue. The 21 year-old Boeing…