altitude, not fuel.
A Ryanair Boeing 737-800, registration EI-DAC performing flight FR-3214 from Manchester,EN (UK) to Memmingen (Germany), was on a visual approach to Memmingen's runway 24 when the crew descended below required minimum height of 1000 feet AGL and initiated a go-around at 450 feet AGL. The aircraft landed safely on their second approach.
In their monthly bulletin Germany's BFU rated the occurrence a serious incident and opened an investigation reporting the minimum safety height was 1000 feet AGL however the aircraft descended to 450 feet AGL before initiating a go-around.
Incident: Ryanair B738 at Memmingen on Sep 23rd 2012, descended below minimum safe height