As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION ON THE WASTE BOX INNER SKIN DOUBLER AT FR88 BETWEEN STR 24-27RH. WASTE BOX INNER SKIN DOUBLER AT FR88 BETWEEN STR24-27RH REPAIRED IAW SRM 53-23-60 REPAIR 01. HFEC C/W WITH NO DEFECTS FOUND.