As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT IN THE AFT CABIN CORROSION WAS FOUND ON NUMBER 2 FLOOR TRACK, FROM STA 1136 TO 1307. CLEANED CORROSION PER SPM 6-80-01 AND SRM 53-05. TREATED PER SRM 51-10-3 FROM STA 1136 TO 1174. CHANGED TRACK FROM STA 1174 TO 1307 PER SRM 51-30-02. USED RIVETS PER SRM 51-30.