The ships left Brest late on 11 February, and remained undetected for the majority of the operation. East of Dover, a flight of six Swordfish torpedo bombers attacked the ships without result. At 15:31, "Scharnhorst" detonated a magnetic mine, which damaged the ship's circuit breakers enough to shut down the entire electrical system. The ship was immobilized briefly—between 15:49 and 16:01, all three turbines were restarted and the ship resumed a speed of . A series of air attacks ensued; through evasive maneuvers, anti-aircraft fire, and "Luftwaffe" fighters, they were all repulsed. By noon on 13 February, "Scharnhorst" had reached Wilhelmshaven. After two days she was transferred to Kiel for repairs, which lasted until July 1942.