TM 10-1670-296-20&P                                                    0006 00 0006 00-16 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: 28 Quick Release Cargo Tie- down.  Inspect tie-down for loose or broken stitching, frayed webbing, foreign material, or a defective quick-release lever Tie-down has loose or broken stitching or frayed webbing, foreign material is present, or the quick-release lever is defective. 29 Type IV Drive-Off Aid.  Inspect drive-off aid for loose or broken stitching, frayed webbing, or foreign material. Drive-off aid has loose or broken stitching or frayed webbing.  Foreign material is present.