The internal HARD parts that latch the boom arm up in place are made of hardened spring steel. If a latching issue arises,it is best to look and see if the physical male locking tab is bent down improperly. If so,a slight bending up of that male latching tab can correct a latching issue. If this does not address the issue,a simple replacement of the male and female steel tabs would be in order. As the the wiring harness,like any repeated folding and unfolding that harness will wear the internal wiring over time. As the H has not been out in the public sector for a long period of time,we do not know how many cycles of folding and unfolding of the boom arms will affect the inner wiring harness in a negative fashion.