As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AA3NB-53-6038 MAIN CABIN LF FLOOR BEAM Y254 CORRODED AT FR 16 REMOVED CORROSION ON LH FLOOR BEAM Y254 AT FR16 TO 12 0.0760" AL L THICKNESS FOUND OUT LIMIT. REMOVED AND REPLACED OF FLOOR BEAM IAW SRM 53-11-14-283-007, SRM 51-74-00, SRM 51-42-11. EMP: V9403 62 WC: 58672 STA: ST ENG BFM