TM 55-1520-240-23-4 5-63.1 ROTARY-WING BLADE SERVICEABILITY INSPECTION     (Continued) 5-63.1 6. Determine damage limits and repair procedure from the following table: Blade Damage and Repair Criteria COMPONENT DAMAGE REPAIR Spar Root End Resin cracks Fill with adhesive (Task 5-67) Holes Replace blade (Task 5-64 and Task 5-84) Slot sealant Replace seal (Task 5-66.4) Gouges, other damage.  Refer to (Task 5-67.1) for limits Fill with glass cloth and adhesive (Task 5-67.1) Titanium Leading Edge (Nose Cap) Indentations No repair required in absence of unbending Unbonding (edge bond intact) No repair required Unbonding of edge Bond with adhesive (Task 5-66.1) Cracks Repair cracks (Task 5-66.1) Nicks and scratches No repair required Holes Replace blade (Task 5-64 and Task 5-84) Inspection Inspection of Titanium Cap (Task 5-66.5) Nickel Erosion Cap Dents, erosion, nicks, scratches No repair required Unbonding (edge bond intact) No repair required Unbonding of edge Bond with adhesive (Task 5-66.1) Erosion of aerodynamic filler No repair required Cracks with  1/16 inch  or less separation or unbending No action required Cracks greater than  1/16 inch separation or unbending Replace cap (Task 5-66) Fairing Skins Bonds Voids Any bond void  one square-inch  or less is acceptable to fly helicopter. Any bond void larger than  one square-inch  in area must be repaired (Tasks 5-67.2 and 5-67.3) All other categories Reparable full-span from trailing edge of titanium nose cap to blade trailing edge - no limit size (Tasks 5-67.2 and 5-67.3) Core-Nomex Honeycomb All categories Reparable - no limits on size (Tasks 5-68, 5-69, 5-69.1 and 5-70) Trailing Edge Minor nicks, dents, and  scratches Blend out or fill with adhesive (Task 5-74) Major damage Reparable. No limit on cross-ply and 90   material (Task 5-72).  Beyond that, replace blade (Tasks 5-64 and 5-84) 5-278