What was found
AFT CARGO COMPARTMENT BETWEEN STA 847 AND 867 AFT RIGHT FLOOR SHIELD IS CORRODED TOP SKIN SURFACE AS MARKED / REMOVED CORRSION FROM AFT CARGO COMPARTMENT AFT FLOOR SHIELD BETWEEN STA 847 AND 867 IAW BOEING 737 SRM 51-10-02-0G-0 PER 15. USED 10X MAGNIFYING GLASS VERIFY REMOVAL. EVLAUATED MATERIAL LOSS: ORIGINAL =.050' REMAINING =.039' LOSS=.04' MAXIMUM= .101= .005'. FOUND TO BE OUT OF LIMITS IAW BOEING 737 SRM 53-00-53-1A-2 FIG 103 DET D REMOVED AFT FLOOR SHIELD BETWEEN STA 847 AND 867 IN AFT CARGO COMPARTMENT. REPLACED WITH NEW AFT FLOOR SHIELD MPN 146A8127-10 ATAG WN898 IAW BOEING 737 DWG 146A0081 REV- AND BOEING 737 SRM 51.40.02.06.0. RESTORED PROTECTIVE COATING IAW BOEING 737 AMM 51-21-51-620-802 ATAG WN898 MPN 146A8127-10