As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. AIR INTERRUPT, EMER WAS DECLARED, LANDING UNEVENTFUL & ACFT WAS OVERWEIGHT. DURING CRUISE ACFT LOST ALL POTABLE WATER & LAVATORIES BECAME INOPERATIVE. FOUND WATER LINE COUPLING MISSING IN AFT CARGO CEILING AT FS 1520. INSTALLED NEW COUPLING & ACCOMPLISHED LEAK CHECK IAW DMC 787-A-38-10-01.