What was found
DURING MAINTENANCE BASE VISIT FOUND THE AFT EQUIPMENT BAY DOOR 272DR HAD CRACKS AROUND MOUNT PIN BRACKET RIVETS. FIVE CRACK LENGTHS: 2, .3, .25, .2, .1. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED EQUIPMENT BAY DOOR 272DR IAW EO: EM-52MR-285. THE AIRCRAFT WAS RETURNED TO SERVICE.