A roof fall was discovered at 3 Mains Section, #10 Heading, 55 to 56 Crosscut. 80' long, 10' high, and 17' wide. This fall was 2,600' out-by the Mains Section. 6' super twist and 6' fully grouted resin bolts were in use. No men or machines were injured or trapped. No ventilation or travel were affected.