As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-19 CHECK THE LT OUTBOARD FLAP WAS FOUND SEPARATED AT THE AFT INBOARD CORNER, WATER WAS FOUND LEAKING FROM INSIDE FLAP AT SEPARATED SKIN, WBL 230.68 TO WBL 231.68. MAINTENANCE CUT OUT DAMAGED AREA OF LT OUTBOARD FLAP SKIN AT AFT INBOARD CORNER; FABRICATED A REPAIR DOUBLER AND FILLER; BONDED REPAIR PARTS TO FLAP IAW B737-300 SRM 51-70-03 FIG 3.