As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING WASTE TANK FILL VALVE HEATER INSTALL ON 61338197, CORROSION FOUND WHERE SENSOR BONDS AND ADDITIONALLY ON BACK OF SERVICE PANEL PAN. GROUNDED - YES. (RESOLVED ON W/O: 2120337 TASKCARD: N/R-00007 ) REMOVED CORROSION FOUND TO BE OUT OF LIMITS REMOVED AND REPLACED PAN INTERCOSTAL CHANNEL IAW SRM 51-40-02-0G-0 SEAMC PAT NOTIFIED.