Hello Wee Mei, To my knowledge, the information that you are looking for does not exist in a replacement military specification nor other industry association documents. On one hand, the information contained in MIL-C-28809 was considered requirements for "standard" repair/modification. Repair and modifications that did not fall within these requirements, "non-standard", were turned over to a Material Review Board (MRB) and dependent on contractual requirements may have included customer review and approval/disapproval. With today's technology and the ever changing end use environments, "standard" repairs should be reviewed by a MRB for issues related to quality, performance, reliability and maintainability of the deliverable product. The guidance information contained in MIL-C-28809 can be used to develop criteria for use by a MRB or better yet, used to develop an in-house procedure for standard repairs that defines specifics for your products. IPC-7721 (supercedes IPC-R-700) is widely accepted and used for repair and modification of electronic assemblies, but it does not contain "maximum allowable" criteria. Steve Sauer -----Original Message----- From: fullname [mailto:[log in to unmask]] Understand that MIL-C-28809 has been cancelled. However, there are two tables indicates in this mil-spec on the max. number allowed permitted for plated-thorugh hole repair and circuit repair. Can someone point to me where else can I find similar tables for repair under IPC standards? --------------------------------------------------------------------------------- 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 To temporarily halt delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest 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 ---------------------------------------------------------------------------------