German submarine UB 122 under repair at the Kaiserliche Werft, Kiel, Germany in 1918

A list dealing dated 23 June 1918 reported the status of work on the submarines expected on 23 June. Work started on 1 June. Planned completion on 13 June. Description of the work stern damage. Remarks replaced on 16 June 1918.

Source

Bundesarchiv RM 3-11254.