What was found
AFT CARGO COMPARTMENT BETWEEN STA 887 AND 907+7' R/H Z ANGLE HAS 3 EA AREAS OF CORROSION TO TOP SKIN SURFACE AS MARKED / REMOVED CORROSION FROM R/H Z-ANGLE STA 887-907+7' & EVALUATED MATERIAL. LOSS FOUND TO BE OUT OF LIMIT IAW SRM 53-00-53-1A-2. DEPTH = 0.010'; ORIG 'T'= 0.040; REMAINING 'T'= 0.030' TOOL# AAR 36647 DUE 06/07/20. TREATED & PRIMED AREA IAW SRM 51-20-01 & AMM 51-21-72-370-804. REPLACED Z ANGLE AT STA 887 TRO STA 947 IAW B737 SRM 51-40-02-060 AND BOEING DWG 146A7500 REMOVABLE COMPONENT P/N 147A7501-18