On December 24, 2023, a Sun Express Boeing737-800, registration TC-SEI performing flight XQ-772 from Ankara (Turkey) toAmsterdam (Netherlands), was on final approach to Amsterdam's runway 22 whenthe crew initiated a go around due to an unsafe gear indication. The crew subsequentlyperformed an alternate gear extension but again received an unsafe gearindication. The aircraft subsequently performed a low approach/pass to Amsterdam'srunway 18R to have the gear visually checked from the ground, according totower the gear seemed all down. The aircraft positioned for an approach toAmsterdam's runway 27, landed safely and stopped on the runway about 55 minutesafter initiating the first go around. After an inspection by emergency servicesthe aircraft taxied to the apron.
According to information The Aviation Heraldreceived both landing gear indicator sets did not work making it impossible forthe crew to determine whether all gear had been down and locked.