TM 5-826-6/AFR 93-5
Figure A-10. Low severity block cracking, case 3.
(b) Medium severity level (M). Blocks are defined by one of three different ways.
- Filled or nonfilled cracks that are moderately spalled with some loose particles (some FOD potential).
- Nonfilled cracks that are not spalled or have only minor spalling with few loose particles (some FOD
potential), but have a mean width greater than approximately 1/4 inch.
- Filled cracks that are not spalled or have only minor spalling with few loose particles (some FOD
potential), but have filler in unsatisfactory condition (figs. A-11 and A-12).
Figure A-11. Medium severity block cracking, case 1.
A-10
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