0ea877e5_s___World_War_2____BCAR_org_uk__Date
[Type] Lancaster I [Serial] R5917 [Unit] 1660 HCU [Location] Swinderby [Notes] Airborne from Swinderby at 1107 for day type conversion. On returning to the airfield to land, the pilot was unable to lower the flaps more than 10 degrees, resulting in a much faster than normal approach and landing run. The aircraft was traveling at such speed that it overran the runway into a ditch, shearing the undercarriage. [Date] 
18th May
1943 Lincolnshire aviation Incident Logs. (World War 2) - BCAR.org.uk
Date