What was found
DURING ROUTINE INSP, CRACKS WERE OBSERVED IN THE LT AUXILARY SPAR. THE MAIN GEAR IS ATTACHED AT THE OTBD END. THE CRACKS WERE AT THE 11, 2, 5 AND 7 O`CLOCK POSITIONS OF THE HOLE WHICH THE WIRE BUNDLE PASSES THROUGH, AND WERE OF VARYING LENGTH WITH THE 2 LOWER HOLES CONTINUING INTO THE ACCESS HOLE. CRACKS WERE ALSO AT THE 7 AND 5 O, CLOCK POSITIONS OF THE LARGE ACCESS HOLE TO WHICH A COVER PLATE IS ATTACHED WITH A RIGN AND NUT PLATES ON THE OPPOSITE SIDE. THESE CRACKS WENT THROUGH THE SCREW HOLES AND EXTENDED UP T 2+ INCHES. THE CRACKS WERE OBSERVED 2671 HOURS AFTER THE MAIN SPAR CAP MODIFICATION. SIMILAR CRACKS OF VARYING DEGREE HAVE BEEN OBSERVED IN 5 OF 8 ACFT. ALL HAVE THE MOD. IT IS NOT KNOWN IF THERE IS ANY CORROLATION. (K)