Yamal Airlines flight YC-9773 had to divert and make an emergency landing in Tyumen, Ural, Russia, on March 14.
The Boeing 737-400, en-route from Ufa to Noyabrsk, Russia, was mid-air when the crew detected power supply problem, prompting the plane to divert to Tyumen.
The plane landed uneventfully.
All 154 passengers and 6 crew members remained safe.
The incident is under investigation.