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 INCH LONG IG CORROSION WAS FOUND ON BS 950 BULKHEAD LOWER TEE CHORD BETWEEN STRINGER 29R AND S29L. THE CORRODED SECTION WAS TRIMMED AND REPAIRED PER B727 SRM CHAPTER 51-10-01 AND 51-30-02. (M)