PERFORMED CMA FULL SERVICE ON 3 PACKAGE AC SYSTEMS. PACKAGE AC SYSTEM #2 WAS SHORT CYCLING UPON ARRIVAL TECH CHECKED DELTA T AND DELTA T WAS LOW ONLY 4 DEGREES, TECH CLEANED EVAPORATOR AND CONDENSER COILS, EVAPORATOR COILS WERE CORRODED AND RUSTED, CONDENSER COILS WERE FALLING APART AND FLAKING OFF ARE IN VERY BAD CONDITION, SYSTEM ALSO NEEDS 410A REFRIGERANT, SYSTEM INSTALLED JANUARY 1st 2009, TECH RECOMMENDS REPLACEMENT OF SYSTEM FOR PACKAGE AC SYSTEM #2 SERIAL NUMBER(0907100426). PACKAGE AC SYSTEM #3 COMPRESSOR CAPACITOR RATED FOR 70mf TESTED WEAK AT 56.1mf. CAPACITOR DUE FOR FAILURE, RECOMMEND REPLACEMENT OF CAPACITOR. THERE IS AN ESTIMATE PROVIDED FOR REPLACEMENT OF CAPACITOR FOR PACKAGE AC SYSTEM #3. THERE WILL BE SOMEONE FROM OUR OFFICE REACHING OUT TO YOU ABOUT OPTIONS FOR REPLACEMENT OF PACKAGE AC SYSTEM #2. COMPLETED FILTER CHANGE OF 1-20x30x1 FILTER AND 2-20x24x1 FILTER. THERE ARE PICTURES AND A PERFORMANCE REPORT ATTACHED TO THIS INVOICE.