“During the execution of flight 6413 from St. Petersburg to Ufa, one of the sensors was triggered,” the message said.
As noted, the commander, based on flight safety regulations, decided to return to the airport of departure.
Landing was in normal mode, passengers will be transferred to a backup aircraft.
On May 5, a Sukhoi Superjet 100 aircraft operating on a Moscow-Saratov flight made an emergency landing at the capital's Sheremetyevo Airport after an engine failure.