As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MINOR REPAIR - DURING C-13 CHECK A 1.3125 INCH CRACK WAS FOUND ON NR 6 FLAP TRACK FAIRING INNER DOUBLER AT AFT END WBL 191 RT. MAINTENANCE REMOVED CRACKED INNER DOUBLER AT WBL 191 RT; FABRICATED A NEW REPLACEMENT INNER DOUBLER; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, FIG 2 & 3.