As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT TT 244.1 HOURS. PROBLEM 'LAVATORY INOP'. TROUBLESHOT SYSTEM AND FOUND SEIZED TOILET PUMP. SYSTEM FUSE BLOWN. TRACED ORIGINAL CAUSE TO IMPROPERLY WIRED PUMP. REWIRED SYSTEM IAW WIRE MAN SYSTEM. OPS CHECKED GOOD. REF P8-12 WIRE MAN 25-40-OC.