As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPARKS OBSERVED BY FLIGHT ATTENDANT AND PAX OVER 2R DOOR, CAT PAX REPORTED 4 FT SPARKS FROM 2R DOOR AREA. OPENING UP CEILING PANELS FOUND AND REPAIRED WIRE W3662-003-08 AT STA 686 BY PERFORMING BUTT SPLICE PER BOEING STANDARD WIRING PRACTICE MANUAL. WIRE WAS FOUND CHAFING AGAINST STEEL BRAIDED POTABLE WATER LINE TO 2L LAV.