3521 Air Compressor found dented. To rep ~~~~~ 3521 - Air Compressor found dented. To replace Air Comp.  3521 air compressor replaced - Done. Security/function test - OK. Air compressor cut in/out pressure check - OK. 3521 Air Compressor S/N : OLD : 120F-3529 NEW : 120F-3950  Kiran/Helmi/Abdillah/Dinie 44028