What was found
MAJOR REPAIR - DURING B-04 CHECK GALVANIC CORROSION WAS FOUND IN NUT PLATE HOLE ON FLOORBEAM Y1292 LT, FORWARD OF FR 68. MAINTENANCE REMOVED CORRODED SECTION OF BEAM Y1292 LT FROM FR 68 TO FR 69; FABRICATED NEW REPLACEMENT SECTION OF BEAM, INSTALLED REPAIR PART IAW A319 SRM 51-42-11, FIG. 12 AND 18.