#3540,FOUND AIR HORN NOT WORKING,TO RECT ~~~~~ #3540,FOUND AIR HORN NOT WORKING,TO RECT     Confirmed #3540 air horn not working when both A/S & B/S horn push button were depressed.Checked preumatic piping for horn ok.Removed and checked that magnet v/v was not choked.Cleared dust from magnet v/v and re-installed.Horn function check both A & B side of #3540 working.Tested during depot shunting ok. Done by Luke.  14/03/23