As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOORBEAM STA 1338 HAS CORROSION AND ELONGATED FASTENERS HOLES LBL58 TO RBL 58. REMOVED CORROSION MAIN CABIN FLOORBEAM STA 1338 BETWEEN RBL47 RBL 58 FOUND TO BE OUT OF LIMITS. REPLACED MAIN CABIN FLOORBEAM SECTION UPPER CAP IAW ER/A 397783-14MA STEPS 9 &10.