As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AFT CABIN FLOOR SUPPORT BEAM HAVE CORROSION Y1292 FR 66. REMOVED CORROSION ON FLOOR BEAM Y1292 FR 66 IAW SRM 51-74-00 FOU ND OUT OF LIMIT; DEEP=0.055" L=2.0"; W=2.5" TR 91552 IAW SRM 53- 00-44-203-002FIG 001 SHEET 01. REMOVED AND REPLACED FLOOR BEAM Y 1292 FROM FR 64 TO FR 66 IAW SRM 51-42-11.