As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING C-CHECK ROUTINE INSPECTION AS PER WORK CARD J2C-51-2125, CORROSION WAS FOUND ON STRINGER 28 LEFT BETWEEN BS 520 AND BS 540. THE CORROSION WAS OUT OF LIMITS AS PER SRM, (MORE THAN 10 PERCENT REMOVED). REPAIRED AS PER COOPESA EO NR C00-3-53-328-98. APPROVED AND SUBMITTED BY FAA DER. (M)