As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - MAJOR REPAIR - DURING C-08 CHECK INTERGRANULAR CORROSION WAS FOUND ON SEAT TRACK AT BS 365, RBL 45. MAINTENANCE REMOVED SEAT TRACK AT RBL 45 FROM BS 365 TO BS 418; FABRICATED A NEW REPLACEMENT SEAT TRACK PER DWG 141N5130; INSTALLED REPAIR PART IAW B757-200, SRM 51-40-02 PG 11-12.