What was found
RIGHT WING LOWER PLANK FUEL TANK ACCESS DOOR CUTOUT AT WS 54.897 9640BB, HOLE NR 1) HAS FRETTING DAMAGE AT INBOARD AND OUTBOARD ENDS OF CUTOUT IN NON-CRITICAL AREA. INBOARD AREA MEASURES APPROX 6 INCH LENGTH BY .30 INCH WIDE BY .005 INCH DEEP. OUTBOARD AREA MEASURE APPROX 5.5 INCH LONG BY .30 INCH WIDE BY .005 INCH DEEP. OUTBOARD AREA MEASURE APPROX 5.5 INCHES LONG BY .30 INCHES WIDE BY .005 INCHES DEEP. MAINTENANCE REPAIRED CORRODED (FRETTING) DAMAGE AREAS IAW REO 601R-57-21-030 REV F. (M)