What was found
AFT PIT FLOOR SUPPORT HAS CORROSION BETWEEN STA 727 AND 727B RBL 13.84. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT FLOOR SUPPORT BETWEEN STA 727 TO 727B RBL 13.84 IAW B737-800 SRM 53-00-53-1A-2 ORIG. THICKNESS IS .070" IAW B737-800 SRM 53-60-53-01-2 TABLE 2. REMOVED .035" REMAINING THICKNESS IS .035" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REPAIRED AFT PIT FLOOR SUPPORT BETWEEN STA 727 AND 727B RBL 13.84 IAW B737-800 SRM 53-00-53-2R-3 AND B737-800 AMM 51-21-41 AND B737-800 AMM 51-21-72.