What was found
AFT CARGO PIT FLOOR TRACK LBL 17.1 HAS CORROSION INSIDE OF TIEDOWN STA 787-791 / REMOVED CORROSION AND MEASURED MATERIAL LOSS TO BE .004 WITH A MAX LOSS ALLOWED TO BE .040. MATEIRIAL LOSS FOUND TO BE 'OUT OF LIMITS' IAW SRM 53-00-53-1A-2 STEP 4(B)2 AND FIGURE 103 DETAIL D-D. REMOVED AND REPLACED FLOOR SUPPORT TRACK AT STA 727 - 847 LBL 17 IAW BOEING DWG # 146A7500 REV: A AND SRM 51-40-02-0G-0. APPLIED CIC TO NEW TRACK IAW AMM 51-21-91-620-802 STEP 3(C) WN7849