Created Tuesday, Jan 18th 2022 11:38Z, last updated Tuesday, Jan 18th 2022 11:38Z
An Aeroflot Sukhoi Superjet 100-95, registration RA-89027 performing flight
SU-1544 from Moscow Sheremetyevo to Penza (Russia), was enroute at FL350 about 250nm westnorthwest of Penza when the crew received indication that the air data system (ADS) #1 sensor heatings had failed. The crew worked the related checklists and switched ADS #1 off, at that moment autothrust and autopilot also shut spontaneously down. No other abnormal indications occurred, the crew notified ATC they had lost their RVSM ability, descended to FL270 and continued to Penza where the aircraft landed safely about 45 minutes later.
Russia's Rosaviatsia reported maintenance replaced the angle of attack sensor and returned the aircraft to service.
The aircraft remained on the ground for about 24 hours before returning to service.
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