As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE CHECK, CORROSION WAS FOUND OUT OF LIMITS ON FLOORBOARD SUPPORT ANGLE BETWEEN STA 380 AND 420, RBL 26. REMOVED CORROSION IAW SRM 511006. FABRICATED NEW SEAT TRACK PER SAMPLE FROM BAC 1520792. TREATED AND PRIMED IAW SRM 511002, MM 512002. INSTALLED IAW SRM 513002.