What was found
AFT CARGO COMPT STA 767 - 794 RBL22 WL156 SHIELD HAS CORROSION UPPER AND LOWER SURFACE / REMOVED CORROSION ON AFT CARGO FLOOR SUPPORT SHIELD AT STA 767-794 RBL 22 WL156 IAW SRM 51-10-02. VERIFIED OUT OF ALLOWABLE LIMITS AS ORIGINAL =.050' WITH REMAINING THICKNESS AS .042' IAW SRM 53-60-15-1A-1 REMOVED DAMAGED SHIELD IAW SRM 51-40-02. VERIFIED PART EFFECTIVITY FOR P/N 146A8127-12 ON TAG# WN9192 IAW SRM 53-00-15-01-1 AND BOEING DRW #146A0081 SHT 46 REV -. INSTALLED SHIELD IAW SRM 51-40-02 AND DRW # 146A0081 SHT 46 REV -.