As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, MAINTENANCE REPORTED LEVEL 2 CORROSION ON THE RT INBOARD SEAT TRACK AT FR 82. MAINTENANCE REMOVED AND SPLICED IN NEW SEAT TRACK SECTION AT THE RT INBOARD SEAT TRACK AT FR 82 IAW SRM 53-00-10 & 51-40-08. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.