As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BC-4 CHECK GALVANIC CORROSION WAS FOUND ON LONGITUDINAL FLOORBEAM Y1292, UNDER LT AFT LAVATORY AT FR 66. MAINTENANCE REMOVED FLOORBEAM Y1292 LT AT FR 66; FABRICATED A NEW REPLACEMENT BEAM; INSTALLED REPAIR PART IAW A320 SRM 51-71-11.