As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT, TIE FITTING AT STATION 1183, STRINGER 25R WAS FOUND CORRODED. AFTER REMOVAL OF TIE FITTING, STRINGER 25R WAS FOUND TO HAVE EXFOLIATION CORROSION. REMOVED AND REPLACED TIE FITTING IAW B727 SRM 51-10-1 AND REMOVED AND INSTALLED NEW SECTION OF STRINGER 25R IAW 51-30-2.