As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WHEEL WELL STATION 663; LBL 15; LOWER CURVED STIFFENER ABOVE THE LEFT PACK EXHAUST DUCT IS CRACKED ON INBOARD ANGLE AS MARKED / REMOVED AND REPLACED LOWER CURVED STIFFENER ABOVE LEFT PACK EXHAUST DUCT AT ST 663 LBL 15 IAW SRM 51-40-02-0G-0 AND BOEING DWG # 111A1512 AND APPLIED CIC IAW AMM 51-21-91-020 ATG# WN2955