As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO PUT IN A DIFFERENT WAYPOINT DUE TO KNOB OUT. PERFORMED PRELIMINARY INSPECTION. FOUND S202 SWITCH BROKEN AND RETAINER RING MISSING FROM END OF PULL SCAN KNOB SHAFT. REPLACED S202 SWITCH AND RETAINER RING. REPAIRED. BENCH CHECK GOOD.