What was found
(LOG 0430613) AFT CARGO COMPARTMENT, R/H ZEE CHANNEL HAS MULTIPLE AREAS OF CORROSION FROM STA 727C TO STA767. REMOVED AND REPLACED R/H ZEE CHANNEL STA 727 TO STA 767 IAW B737 SRM 51-40-02, B737 SRM 51-40-05, B737 SRM 53-00-53-2R PROCEDURES, B737 AMM 51-00-58 PAGEBLOCK 201, B737 AMM 51-21-72-370-801 AND BOEING DWG 147A7500.