As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEB AT STA.986-1006 RBL37 IS CORRODED. GROUNDED - YES. REMOVED CORRODED WEB AT STA 986-1006 RBL 37 IAW B737-900 SRM 51-40-02. DRILLED - LOCATED AND INSTALLED NEW P/N#147A5116U20 WEB AND INSTALLED HARD POINTS IAW B737-900 SRM 51-40-02 AND BAC DWG# 147A5701 REV:-.