What was found
DURING B-04 CHECK CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF FLOOR BEAM TEE CAP (SEAT TRACK) AT CLIP NUT LOCATIONS BETWEEN FR 17 AND FR 20, Y1292 RT. MAINTENANCE REMOVED DAMAGED SEAT TRACK BETWEEN BS 7830 AND BS 8000, Y1292 RT; FABRICATED 6 EACH REPAIR ANGLES; INSTALLED REPAIR PARTS IAW A320 SRM 53-11-15, FIG. 204, PG. 222-227.