As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POTABLE WATER INOP IN AFT LAVS AFTER 4 HRS OF FLT. SUSPECT WATER LINE HEATER TAPE THERMOSTAT, B10105. NEED PCN 563-0015. SHUTOFF WATER ONLY. LOCATE WATER LINE HEATERS TO AFT LAVS IN REF TO IPC 38-13-01-001,VERIFY IF POWER PRESENT AND REPLACE INOP HTR TAPES IN REF TO WDM 30-71-21 PG.71. FOUND CORROSION ON GROUND LUG. REMOVED, CLEANED & SECURED. OPS CHECK GOOD IAW AMM.