Got a fix you can do:
You can open your save file in a text editor, search for the term "stored_events" and locate what looks like a list of requirements after something that looks like "code":"loan". you will see something along the lines of {"operant": "eq": "type": "date", "value": 14}. Simply change the "eq" bits with "gte" and save.
When you next finish a turn, the game will check if the day is "greater or equal than" 14 instead of just "equal to" 14 and the loan event will trigger.