As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO PIT THRESHOLD WEB HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION ORIGINAL MATERIAL THICK .045" REMOVED .009" REMAINING .036" FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-15-1A-1. LOCATED AND DRILLED NEW FWD CARGO DOOR THRESHOLD WEB IAW B737-900ER SRM 51-40-05.. INSTALLED FWD PIT THRESHOLD WEB IAW B73-900 SRM 51-40-02 AND PER B/P# 143A8330. REV-