As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON MAIN CABIN FLOORBEAM UPPER SURFACE AT STA 345 FROM BL5L TO BL20L. REMOVED CORROSION ON FLOORBEAM, FOUND 2 EA AREAS OUT OF LIMITS, FABRICATED REPAIR ANGLES AND INSTALLED, COMPLIED WITH ERA 481634-14 REV ORIGINAL DURING HMV.