What was found
DURING MAINTENANCE INSPECTION FOUND THE FUSELAGE HAS CRACKS AROUND RIVETS ON FRAME 75, 77, 78, AND 79 RIGHT SIDE. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED REPAIR OF REAR FUSELAGE SKIN CRACKS AT FRAME 75 IAW AEA EO EM-53MR-2121. THE AIRCRAFT WAS RETURNED TO SERVICE.