OK had a service call, not cooling
turned out homeowner did not know how to work thermostat.
I showed them and turned it on.
OK I also plugged in my gauges to see how it was working
did not touch charge.
here is my readings

Suction pressure 65F
Head pressure 250F
Condenser inlet air 90F

Suction line temperature took insde off suction line comming out of evaperator 55F

High line temp was 103

now thats a superheat of 17
and subcooling 14

now I also removed outside cover took temperature 10 inches
from compressor temperature was 40F
also took temp on suction line just before shradder pin valve from house temp was 63F

whats up with this old carrier it is working good.
air filter was clean