As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL WASTE TANKS SHOW INVALID DATA ON CACP - CSCP. TRIED CYCLING ZMU CBS, NO HELP. SEE PREVIOUS HIS ZMU 3 HAS JUST BEEN REPLACED. NO LEAKS ON SYSTEM AND ALL LAVS OPERATE NORMALLY. DF PLACARD ON CSCP. NOTE JUST PRIOR TO TRANSMITTING DEFERRAL ALL INDICATIONS RETURNED TO NORMAL.