TM 10-1670-287-23&P 0008 00 0008 00-2 NOTE Parachutes that are deemed unserviceable, by a packing or rigging activity, will be rigger-rolled (see the ACCORDION FOLDING/ RIGGER ROLLING paragraph detailed in WP 0061 00) prior to being sent to a repair activity. Table 1.  Preventive Maintenance Checks and Services X – Before and after all repairs, and before packing (technical/rigger type inspection). Y – After use (shakeout). Z – Prior to issue (routine inspection). Interval ITEM NO. X Y Z ITEM TO BE INSPECTED PROCEDURES 00 MC-4 System 01 Parachute (Packed for Use) Check for serviceability and completeness of visible parts without opening container.  Pack date in parachute log record. 02 Canopies and Riser Assemblies Check for dampness, fungus, acid, grease, oil, foreign material, holes, cuts, tears, and broken lines as canopy is raised, lowered, and suspended during shakeout. 03 Canopy Fabric Materials Check for legibility and completeness of marked data; dampness, fungus, dirt, acid, grease, oil, foreign material, rips, burns, cuts, breaks, frays, tears, holes, and loose or broken stitching on fabric and lines. 04     Hardware Check for corrosion, rust, rough spots, burrs, breaks, cracks, bends, and stripped or damaged threads. 05   Risers Check for dampness, fungus, acid, grease, oil, dirt, foreign material, cuts, tears, and frays. 06 Riser Fabric Materials Check for dampness, fungus, dirt, acid, grease, oil, foreign material, burns, cuts, tears, broken or loose stitching, excess line keepers, reserve static line release lanyard, main canopy release locking loop, and riser release rings. 07     Riser Hardware Check for corrosion, rust, rough spots, burrs, breaks, cracks, bends, and stripped or damaged threads. 08     Pilot Parachutes Check for dampness, acid, grease, oil, and dirt, foreign material, and broken springs.