The DGCA ( Directorate General of Civil Aviation) has ordered a probe into the incident even though no structural deficiency was observed during the preliminary ground inspection of the plane.
The airlines – a joint venture between Tata and Singapore Airlines Limited, confirmed the return of its Mumbai flight UK 951 back to Delhi, saying that the pilot decided to do so after a technical snag was detected shortly after its take-off.
An alternate aircraft was immediately arranged to fly the passengers to their destination.
Vistara operated its B737-800 aircraft with registration VT-TGB while operating flight UK 951, which was involved in air turnback to Delhi as a whistling sound was heard from the right side of the cockpit.
ALSO READ – Technical snag on Vistara flight