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 2 SQUARE INCH AREA IG CORROSION WAS FOUND ON BS 1148 FLOORBEAM UPPER CHORD AT LBL 10. THE CORROED PART OF UPPER WAS TRIMMED OUT AND REPAIRED PER B727 SRM CHAP 53-10-08 FIG 3. (M)