As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TNN - DUIRNG D-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, CORROSION WAS FOUND ON PASSENGER CABIN FLOORBEAM UPPER CHORD AFT FLANGE AT BS 344 RBBL 10. THE CORRODED UPPER CHORD AFT FLANGE 3 INCHES LONG WAS TRIMMED OUT AND REPAIRED PER B727 SRM 53-10-3 FIGURE 7. (M)