As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF CPCP CHECK INSPECTION, FOUND RIGHT HAND WING INTERNAL STA 656.5 UPPER STRINGER 11 AND STRINGER 12 HAS CRACKED TABS. REPAIRED IAW BOEING SB 727-57A159 FIGURE 4. CORROSION TASK CARD NUMBER C57-571-01. NON-ROUTINE TASK CARD NUMBER 107205.