As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTION IT WAS NOTED THAT STRINGER 27R STATION 620 HAS CORROSION AND EXISTING STEEL REPAIR REQUIRES REMOVAL. CUT OUT AND REMOVED DAMAGED SECTION OF STRINGER 19 INCHES LONG FROM STA BS 609-628. INSTALLED NEW STRINGER P/N BAC1498-131, 7075 T62 19 INCHES LONG. NO OTHER DEFECTS WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.