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, SEVERE CORROSION WAS FOUND ON RIGHT AFT SERVICD DOOR LOWER SILL INBOARD CHORD AT RBBL 64 BETWEEN BS 1080, BS 1089 AND BS 1066. THE CORRODED DOOR LOWER SILL INBOARD CHORD (Z-CHANNEL) FROM BS 1016 TO BS 1105 WAS TRIMMED OUT AND REPAIRED PER B727 SRM 51-40-3 FIGURE 1. (M)