What was found
(LOG 1809289) DURING INSPECTION FOUND DURING INSPECTION FOUND FRETTING CORROSION ON PERIMETER CUTOUT OF RH FUEL TANK ACCESS DOORS, 632BB, 632CB, 632DB, 632FB, 632GB, 632HB, 632JB, 632KB, 632MB, 632NB, 632RB, 632AB, 631BB, AND 631AB. REMOVED PER B-737-900ER SRM 57-20-01-2R REPAIR 1.