[Mon Aug 07 23:56:18.309463 2017] [core:notice] [pid 17630] AH00052: child pid 18187 exit signal Aborted (6)
service httpd stop
run -X -d /etc/httpdwhich should let you trigger one request in the foreground, so do it quickly, before any other connections arrive to your server.
Thread 1 "httpd" received signal SIGABRT, Aborted.along with other info about exactly where it crashed.
bt fullwhich should give you the list of functions called, where it started lower down, and ended at the top of the output. Somewhere in there might show you which module triggered it.