3511-REPORTED AIR COMPRESSOR FAN BLADE N ~~~~~ 3511-REPORTED AIR COMPRESSOR FAN BLADE NOISY. TO REPLACE AIR COMPRESSOR.  3511 air compressor replaced with spare. Security/function check - OK.  Farid/Haiqal/Koon PL/Zulfadhly 44833 #3511 Air Compressor S/N : OLD : 5013110011 NEW : 501549094