What was found
DURING C-03 CHECK CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF FLOORBEAM FR 66 - FR 68, RBL 48, Y1292. MAINTENANCE REMOVED CORRODED FLOORBEAM FROM FR 66 TO FR 69; FABRICATED A NEW SECTION OF REPLACEMENT FLOORBEAM AND TWO EACH SPLICES; INSTALLED REPAIR PARTS IAW A320 SRM 51-42-11, PG. 39-41, FIG. 18, SRM 51-44-11, PG. 11-12, TABLES 11 & 12, SRM 51-75-12, PG. 4-5, PARA. C, SRM 51-49-00, PG. 5-6, & 24, TABLE 23, AND 51-76-11, PG. 3-4.