An Eastok Avia Airbus A320-200 on behalf of Kyrgyz Airways, registration EX-32002 performing flight EAA-823/N5-823 from Osh (Kyrgyzstan) to Irkutsk (Russia) with 171 people on board, was performing an ILS approach to Irkutsk's runway 30 utilizing the autopilot to intercept the localizer and glideslope. After the autopilot engaged mode "G/S" the aircraft began a descent which was terminated by the crew about 48 seconds later at about 530 feet AGL about 11.5nm short of the runway.
Incident: Eastok A320 at Irkutsk on Feb 28th 2012, ILS malfunction leads to premature descent
Chilling....