The answer to 'signs of leak repair damage' is that there are several common signs that a roof leak repair has been done improperly or is not holding up over time. These include recurring leaks, water stains or discoloration on the ceiling or walls, mold or mildew growth, and damaged or deteriorating roofing materials around the repair area.
Improper roof leak repairs can lead to further damage if not addressed, so it's important to have any issues inspected by a professional roofing contractor. They can assess the root cause of the leak and make proper repairs to prevent ongoing problems.