What was found
MAJOR REPAIR, DURING A SCHEDULED INSPECTION, FOUND THE INNER SKIN AT FS 150.60, BETWEEN STRINGERS 7L & 6L IS CRACKED, APPROX 1.5" IN LENGTH AT THE AIR STAIR DOOR STRUT'S UPPER MOUNT BRACKETS, LOWER AFT ATTACHING SCREW HOLE ACCESS. SUPPLEMENTAL INFORMATION WILL BE SUBMITTED UPON COMPLETION OF THE REPAIR & RETENTION OF THE PAPERWORK.