What was found
AFT CARGO COMPARTMENT BETWEEN STA 727H AND 767 R/H Z ANGLE HAS SEVERAL AREAS OF CORROSION TO TOP SKIN SURFACE AS MARKED / REMOVED CORROSION FROM R/H Z-ANGLE STA 727H TO 767 AND EVALUATED MATERIAL LOSS FOUND TO BE OUT OF LIMITS DEPTH=0.009 ORG 'T'=0.040' REMAINING 'T'=0.031' IAW SRM 53-00-53-1A-2. TOOL # AAR 36647; DUE 06/02/20. TREATED AND PRIMED AREA IAW SRM 51-20-01 AND AMM 51-21-72-070-804 REMOVED AND REPLACED RH Z ANGLE AT STA 727H AND 767 IAW B737 SRM 51-40-02-0G-0 AND BOEING DWG 146A7500 REMOVABLE COMPONENT P/N 146A7502-34