As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FTW - FOUND FLOORBOARD STATION 889 TO 965 HAS COUNTERSINKS BROKEN OUT,HOLE IN STIFFENER ON BACK, SURFACE CORROSION. REMOVED STIFFENER FROM FLOORBOARD. FORMED NEW PART. INSTALLED STIFFENER. DOUBLER MADE FOR BROKEN CSKS. INSTALLED DOUBLER IAW DC9 SRM 51-30-2. (M)