As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAW - DURING CPCP-4 INSPECTION TASK CARD ZL-141-GVI-10020-002 MAINTENANCE DISCOVERED STRINGER 21 LEFT BETWEEN FRAMES 32 AND 33 CORRODED OUT OF LIMITS. MAINTENANCE REPAIRED STRINGER 21 IAW SRM 53-00-00 FIG 428. AIRCRAFT WAS RETURNED TO SERVICE. (M)