As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL AT STA 947.5 FLOOR BEAM LBL 51 HAS AREA OF CORROSION. GROUNDED - YES. REMOVED INTERCOSTAL IAW B737-900ER SRM 51-40-02. CHECKED LIMITS AND FOUND OUT OF LIMITS IAW B737-900ER SRM 53-70-51-1A-1, MATERIAL LOSS .049 ORIGINAL 0.215, MAX ALLOWED IS .021, LOCATED AND DRILLED NEW INTERCOSTAL IAW B737-900ER SRM 51-40-05 AND PER BAC DWG#147A5650 REV B. INSTALLED INTERCOSTAL IAW B737-900ER SRM 51-40-02 AND PER BAC DWG# 147A5650 REV B REMOVED DOT JPD#302.