As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TNN - DURING D-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, A 1 INCH BY 4 INCH AREA IG CORROSION WAS FOUND ON PASSENGER FLOOR SEAT TRACK AT BS 395 AND RBL 40. THE CORRODED AREA WAS TRIMMED OUT AND REPAIRED PER B727 SRM CHAPTER 53-10-05 FIG 1. (M)