What was found
(LOG 2111392) DURING INSPECTION FOUND FRETTING CORROSION LH WING FUEL TANK ACCESS HOLES CUTOUT 531AB, 531BB, 532AB, 532BB, 532CB, 532DB, 532EB, 532FB, 532GB, 532HB, 532JB, 532KB, 532LB, 532MB, 532NB, 532PB, 532QB AND 533AB AT LH WING. CORROSION LH WING FUEL TANK ACCESS HOLES CUTOUT WAS REMOVED PER B737-900ER SRM 57-20-01-2R.