A Swiss International Airlines Airbus A330-300, registration HB-JHN performing flight LX-8 from Zurich (Switzerland) to Chicago O'Hare,IL (USA), was enroute at FL360 about 180nm northwest of Glasgow,SC (UK) about to enter the Oceanic crossing when the crew decided to return to Zurich due to indication of a deflated nose tyre. The aircraft entered a hold at Zurich to burn off fuel and landed safely back on runway 16 about 5:45 hours after departure. Emergency services did not find any anomaly with the tyres.
A replacement A330-300 registration HB-JHJ departed Zurich with a delay of 8.5 hours.
The occurrence aircraft is still on the ground in Zurich about 3 hours after landing.
Swiss initially told Swiss media that the aircraft returned to Zurich because landing permission in the USA was withdrawn due to Corona, but later corrected their statement and confirmed the crew had received indication of a deflated tyre, the tyre however was found fully inflated.