[log in to unmask] writes: " Unfortunately when we pressed in the spacer, it has caused stress cracks in the pcb. " Not a good situation Rick. I'd be very careful to check any ceramic caps on the board, since it seems that you've possibly induced some twist or deflection on the board in that area. Rgds John --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------