What was found
BLACK BLADE (COLOR CODED) TIP CAP SCREWS M/R LEADING EDGE AND BOTTOM ROW. NR 1 SCREW BROKEN. CORROSION AROUND SHANK OF SCREWS (ALL) SCREW HAD BEENN WORKING WITH BREAK ABOUT 90 PERCENT THROUGH THE SCREW WITH THE LAST 10 PERCENT BREAKING WHEN SCREW REMOVED. FIRST FIVE SCREWS FROM LEADING EDGE TOP AND BOTTOM, INSTALLATION TORQUE IS (BOOK) 100 IN/LBS BREAKAWAY TORQUE TO REMOVE THESE SCREWS WAS RANGING FROM 130-170 IN/LBS. (LARGE SCREW) LAST FOUR, SMALL SCREWS, TOP AND BOTTOM (8) INSTALL TORQUE 30 IN/LBS, REMOVE BREAKAWAY TORQUE 30-50 IN/LBS.(K)