TM 10-1670-296-20&P                                                    0006 00 0006 00-11 Table 2.  Preventive Maintenance Checks and Services – continued B – Before D – During A – After INTERVAL ITEM NO. B D A ITEM TO BE CHECKED   OR SERVICED EQUIPMENT NOT READY/ AVAILABLE IF: 18 Type IV Cover Link.  Inspect cover for loose or broken stitches, tears, damaged cord, or foreign material.    Cover has loose or broken stitches, tears, damaged cord, or foreign matter present. NOTE No longer authorized for LVAD after 31 December 2003. 19 Aerial Delivery Clevis.  Inspect clevis for rough areas, bends, breaks, and cracks.  Ensure fastener threads are not stripped or damaged. Clevis has rough areas, bends, breaks, and cracks.  Fasteners have stripped or damaged threads.