This month's ASRS CALLBACK Report is dedicated to technician submitted tales of aircraft maintenance.
“Crossed wires” or “crossed signals” are colloquialisms often used to indicate confusion or misunderstanding in everyday conversation. When it comes to aircraft maintenance, however, crossed wires or other crossed connections may refer to actual errors in the placement of components or wiring. The following ASRS reports from Maintenance Technicians deal with aircraft components that have been improperly installed, leading to unexpected and unwanted results.
Read the full issue here: http://asrs.arc.nasa.gov/publications/callback/cb_402.html