As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT RTBL WITH DOOR 3L AFT LAVATORY BURNING ODOR DUE TO A BURNED WIRE. 09-14-07 ON TROUBLESHOOTING FOUND TOILET TANK FILL LINE SHUTOFF VALVE CONNECTOR HAS BURNED WIRES. CAPPED WIRES & TIED BACK. CONNECTOR SECURED AT AREA FOR RE-USE. LAVATORY TO SERVICE FROM INSIDE OR MANUALLY OPEN SHUTOFF VALVE FOR SERVICING.