It could be several things and ad I always say a proper FA/root cause analysis should be performed. Please let ne know if you need help with that. Regards, Vladimir Igoshev SENTEC Testing Laboratory Inc. 11 Canadian Road, Unit 7 Scarborough, ON M1R 5G1 Phone: 647-495-8727 Cell: 416-899-1882 [log in to unmask] www.sentec.ca Original Message From: Carmen Aloisi Sent: Friday, May 16, 2014 12:00 PM To: [log in to unmask] Reply To: TechNet E-Mail Forum Subject: [TN] pcb issue led to smt components drop from pcb Hello I'm new to this forum and I'd like to address the following issue to the group: after 3 years from delivery of a batct of pcbas we got back from customer some of them where components are dropping from the pcbas, the solder remains on the component pin and the pads are with exposed copper. Could you help me in understanding what was wrong on pcb supplier process or on ours? Thanks a lot in advance Carmen Aloisi Quality Manager Eutron S.p.A. Via Crespi 29 24020 Pradalunga (BG) Italy ph. +39 035697011 fax +39 035697090 m. +39 3355666074 www.eutron.com p.i. 01805190160 .(See attached file: 1.bmp)(See attached file: 5.bmp)(See attached file: 7.bmp) ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________