As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT (HMV), STRINGER 27R WAS FOUND TO HAVE LEVEL 2 CORROSION BETWEEN STATION 720C THROUGH 720D. REMOVED CORRODED SECTION OF STRINGER, FABRICATED AND INSTALLED REPAIR MEMBERS IAW B727, SRM 53-10-01 AND SRM 51-40-04.