Sprinkler leaks as a rule happen as soggy spots, low stress, or bubbling at heads
https://bluecircuitry.com/s/1H3tPOSc5A-NiJejl26Ne
Sprinkler leaks usally seem to be as soggy spots, low drive, or effervescent at heads. Inspect risers, lateral traces, and valves, then restoration cracked fittings to restore system overall performance.