What was found
AFT CARGO LEFT SIDE 'Z' CHANNEL IS CORRODED AT 807-747.<[01] REMOVED; FABRICATED AND INSTALLED NEW L/H SIDE Z CHANNEL AT AFT CARGO COMPT FROM STA 807 TO 747 PER REF SRM 51-40-02-0G-0.;[02] CORRECTION: REMOVED; FABRICATED AND INSTALLED NEW L/H SIDE Z CHANNEL AT AFT CARGO COMPT FROM STA 807 TO 747 PER REF SRM 51-40-02-0G-0 AND DWG# 146A7502.;[03] CORRECTION: REMOVED; FABRICATED AND INSTALLED NEW L/H SIDE Z CHANNEL AT AFT CARGO COMPT FROM STA 847 TO 747 PER REF SRM 51-40-02-0G-0 AND DWG# 146A7502.;[04] VERIFIED CORRECTIVE ACTION .