As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT DIVERTED DUE TO A FAILED WATER SYSTEM. CREW CONCERNED WATER LEAKING INTO CARGO COMPARTMENT WOULD FREEZE. REPLACED WATER LINE O-RING, DRAINED WATER FROM BELLY AND REACTIVATED WATER SYSTEM. WATER SYSTEM REMAINS FULL. OPS CHECK NORMALLY. REF AMM 38-00-00.