As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO R/H SHIELD HAS MULTIPLE AREAS OF CORROSION BETWEEN STA 767 AND STA 787. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900 53-60-15-1A-1. REMOVED AND REPLACED R/H SHIELD IAW B737-900 SRM 51-40-02-OG-OW:2.00 O:.050 R:.040 L:2.00 D:.010.