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I fortunately work for a company that takes good care of the loading system. The whole thing is checked every A-check; anything inop is replaced/fixed. Same if something fails during a turnaround at home base; quick call & our maintenance people come out.
At the end of the day, malfunctioning equipment leads to a longer turnaround. Time is money etc etc. Matter of company attitude.
Take a look on the AFX thread to get an idea of what I mean.
Merry Christmas