As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH WING O/B AFT FLAP SKIN DISBOND BETWEEN WBL 230.68 ~ WBL 233.68. REMOVED THE DISBOND END CAP AT RH WING O/B AFT FLAP BETWEEN WBL 230.68~WBL 233.68. MADE A NEWW PRE-CURED FIBERGLASS END CAP AND INSTALLED WITH SEALANT. I.A.W. BOEING SB 737-57-1219 PG 32, PARA 3.B PART III (REV2)