What was found
DURING C-04 EXFOLIATION CORROSION WAS FOUND ON UPPER SURFACE OF FLOORBEAM Y1292 RT, FORWARD FO FR 67. MAINTENANCE REMOVED FLOORBEAM BETWEEN FR 66 AND FR 68, FABRICATED A NEW REPLACEMENT BEAM; INSTALLED REPAIR PART IAW A320 SRM 51-42-11, PG. 6 AND 7.