Lufthansa flight to Dallas-Fort Worth declared en emergency over Dublin and returned to Frankfurt.
Lufthansa flight #LH438 departed Frankfurt, Germany on time today at 10:10 CEST for a 10-hour flight to Dallas-Fort Worth, TX.
The flight, operated by an Airbus A330-300, climbed to cuise altitude of 36,000 ft over the UK. The crew declared an emergency (squawk 7700) between Great Britain coast and Ireland.
The aircraft (registration D-AIKL) descended to 10,000 ft and entered a hold North of Dublin Airport.
After few minutes, the crew decided to turn around back to Frankfurt at FL100 which suggest a possible pressurisation issue.
The airline is confirming the diversion back to FRA airport.
UPDATE 14:05 CEST
The flight LH438 landed back on runway 07R at Frankfurt, 4 hours after departure.