TC feedback Cab Buzzer not working. ~~~~~ 3508 TC feedback Cab Buzzer not working.  3508 DIR ALARM Buzzer found not working. OPS 20 raised to follow-up.  Hanafi 43878 To replace DIR alarm buzzer with spare.  3508 DIR Alarm Buzzer replaced - Done. Function test - OK.  Chan GF/Alcus 43878