As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT FWD WASTE TANK INDICATION INOP ON DOOR 2R FA PANEL. WASTE TANK MODULE REMOVED DUE TO ELECTRICAL SMELL AND SECURED BY TAPE ON THIS AREA. CONFIRMED LAV SERVICE DONE BY CLEANER AND AFFECTED LAVS FLUSH SYS, OPS CK'D OK. REMOVED MODULE PLACED IN DOOR 2L PARTS BIN. RPLD NEW MODULE AND OPS CK OK. RPLD WASTE IND AND OPS CK OK. OPS CK ALL LAVS AND FLUSH OK.