What was found
MAJOR REPAIR - DURING C19 CHECK DISCOVERED SKIN SEPARATED AT AFT IB CORNER OF THE RT OB AFT FLAP ASSEMBLY, UPPER AND LOWER SURFACE, FROM WBL 230.28R TO WBL 232.38R. MAINTENANCE REMOVED DISBONDED SKIN FROM UPPER AND LOWER SURFACE IAW SRM 51-70-10-2R4 FIG 203. FABRICATED REPAIR FILLERS AND DOUBLERS IAW SRM 51-70-10-2R4 FIG 203. BONDED REPAIR PARTS TO THE UPPER AND LOWER SURFACE OF THE RT OB AFT FLAP ASSEMBLY FROM WBL 230.28R TO WBL 232.38R IAW SRM 51-70-10-2R4.