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 NR J2C-10-5726C, A CRACK WAS FOUND ON A RIB OF THE RT WING, INBOARD MID-FLAP. THE CRACK WAS LOCATED AT WBL 83 AND WAS 1 INCH IN LENGTH. THE RIB WAS REPLACED IAW SRM 51-10-1 PAGE 6. RIVETS REPLACED IAW SRM 51-30-2. (M)