As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT CORROSION WAS FOUND ON A SEAT TRACK FLANGE AROUND CLIP NUT LOCATIONS BETWEEN BS 1110 AND BS 1130. REMOVED CORRODED SECTION OF SEAT TRACK, FABRICATED AND INSTALLED A NEW SEAT TRACK SECTION IN ACCORDANCE WITH B727 SRM 53-10-05.