As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BC-4 CHECK GALVANIC CORROSION WAS FOUND ON SEAT TRACK RAIL Y254 LT AT FR 16. MAINTENANCE CUTOUT THE DAMAGE ON SEAT TRACK RAIL Y254 LT AT FR 16; FABRICATED A FILLER AND REPAIR ANGLE; INSTALLED REPAIR PARTS IAW SRM 53-00-14, FIG. 206.