Sprinkler leaks on the whole show up as soggy spots, low pressure, or effervescent at heads

https://kyleriliv329.zenbloomer.com/posts/when-to-replace-vs-repair-work-making-the-right-sprinkler-decision

Sprinkler leaks in the main occur as soggy spots, low power, or bubbling at heads. Inspect risers, lateral lines, and valves, then restoration cracked fittings to repair gadget efficiency.