What was found
(LOG 2109665) DURING INSPECTION FOUND FRETTING CORROSION RH WING FUEL TANK ACCESS HOLES CUTOUT 631AB, 631BB, 632AB, 632BB, 632CB, 632DB, 632EB, 632FB, 632GB, 632HB, 632JB, 632KB, 632LB, 632MB, 632NB, 632PB, 632QB AND 632RB AT RH WING. CORROSION ON RH WING FUEL TANK ACCESS HOLES CUTOUT PER B737-900ER SRM 57-20-01-2R.