As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH NOSE TUNNEL, MAIN CABIN FLOOR BEAM, FLOOR BOARD ATTACH FASTENER HOLE IS CORRODED AT STA 377.7 AT APPROX LBL24 ACCOMPLISHED FEDEX EA # F-5310-TO333967-P2 FUSELAGE - MAINFRAME - EXFOLIATION CORROSION ON FLOOR BEAM AT STA 377.7, LBL 24.75 - 58.22