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 LEFT HAND WING INTERNAL STA 686.50 STRINGER 13 AND 14 HAS CRACKED TABS UPPER SURFACE. REPAIRED IAW B727 SB 727-57A159 FIGURE 4. CORROSION TASK CARD NUMBER C57-571-01. NON-ROUTINE TASK CARD NUMBER 107196.