As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK FOUND GUSSET CORRODED AS MARKED FRAME 84 @ RH INBD. SEAT TRACK. REMOVED AND REPLACED FLOOR GUSSET AT RH INBD SIDE OF FRAME 84 PER SRM 51-40-08. RESTORED SURFACE PROTECTION AND REMOVED EWIS PROTECTION PER SRM 51-23-06 PO# 258790, SWPM 20-67-00