As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GYR - MAJOR REPAIR - DURING C20 CHECK DISCOVERED DELAMINATED AREA ON THE LT OUTBOARD AFT FLAP, UPPER SKIN AT WBL 244.40. MAINTENANCE REMOVED DAMAGED SKIN AND CORE FROM LT OUTBOARD AFT FLAP IAW BOEING 737-300 SRM 51-70-10-2R4. FABRICATED CORE AND DOUBLER IAW BOEING 737-300 SRM 51-70-10-2R. BONDED REPAIR PARTS TO THE UPPER SURFACE OF THE LT OUTBOARD AFT FLAP IAW BOEING 737-300 SRM 51-70-10-2R4.