Rule 407: The Repair Doctrine. Repair Doctrine. Change which would have made injury-causing event less likely Made after the injury Offered to prove Negligence Other culpable conduct Including defect or lack of warning Examples. Forbidden Inference of Culpability from Repair?. YES.
If changing a condition changes a result, it is SML that the condition caused the result.
No one has fallen since then
Inference of Causation is OK
Hole Caused the Fall
D Fixed Hole Afterwards