What was found
AFW - FUSELAGE SKIN AT STATION 1518 TO 1554 HAS 48 INCH LONG SCRATCH THAT CROSSES THE LAP SPLICE BETWEEN STATION 1518, SKIN PANEL 146T3230, AND STATION 1554, SKIN PANEL 146T3240, AND EXTENDS FROM STRINGER S34L TO S39R, AREA IS 48 INCHES BY 1 INCH WITH AT DEPTH OF .057 AND .056 INCH. BLENDED AND SMOOTHED GOUGE. REMOVED FASTENERS WITHIN 1.5 DIAMETER OF BLENDED REGION. ALL FASTENER LOCATIONS HAVE A 2 DIAMETER FLAT AREA. MAINTAINED A BLEND RATIO OF 20 TO 1. ACCOMPLISHED A HIGH FREQUENCY EDDY CURRENT TO INSPECT FOR CRACKS. REINSTALLED FASTENERS AND APPLIED ALODINE 1000 TO BLENDED AREAS.