What was found
CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 21 BS 727B+6; BS 727C+16; BS 727E+21; BS 727F+9; BS 727G+6; BS 727G+9; BS 727G+20; BS 727H+6; BS 727I+5; BS 727I+19. / [01] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 727G+6' REMOVED 0.020' IN A AREA OF 1'X1' ORIGINAL THICKNESS 0.040' FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING ATS TOOL ID ATS2678 EXP 4/2023. FLOOR TO SIDEWALL SUPPORT WILL BE REMOVED AND REPLACED FROM BS 727 + 4' TO BS 847 ON FAULT TTG8Q00E4Q8F .;[02] VERIFIED CORRECTIVE ACTION #1 AND MEASUREMENT TABLE