What was found
TOILET SERVICE PANEL 145AL CORRODED AT GROUND CABLE ATTACH POINT / [01] REMOVED WASTE TANK SERVICE PANEL AS PER B737-700 AMM 52-49-07-000-801;[02] VERIFIED STEP;[03] OK TO INSTALL SERVICEABLE PANEL.;[04] INSTALLED SERVICEABLE TOILET SERVICE PANEL 145AL AS P[ER B737-700 52-49-07-400-801.BONDING CHECK PASSED (0.0003 OHMS) BONDING METER USED B/C-150460.PENDING PLACARDS INSTALLATION;[05] VERIFIED STEP 4.;[06] INSTALLED THREE PLACARDS AT TOILET SERRVICE PANEL 145AL AS PER B737-700 AMM 20-10-14-400-801;[07] REMOVED AND REPLACED TOILET SERVICE PANEL 145AL AS PER B737-700 52-49-07-400-801.BONDING CHECK PASSED (0.0003 OHMS) BONDING METER USED B/C-150460.INSTALLED PLACARDS PER B737-700 AMM 20-10-14-400-801;[08] VERIFIED STEPS 6 & 7.