Sprinkler leaks as a rule seem to be as soggy spots, low stress, or bubbling at heads
https://acornmetric.com/s/9q__yWe2Ra5C3D4IGUG9i
Sprinkler leaks most likely look as soggy spots, low force, or effervescent at heads. Inspect risers, lateral lines, and valves, then repair cracked fittings to repair system efficiency.