As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO PRESSURIZE AIRCRAFT. NOISE FROM NOSE OF AIRCRAFT, OUTFLOW FULLY CLOSED. TRIED AUTO, STANDBY AND MANUAL ALL DOOR LIGHTS OFF AND TEST OK. FLIGHT DIVERTED TO SFO. *S/D* BROKEN WIRE ON DOOR WARNING SENSOR. RELUGGED WIRE CHECK SYSTEM IN ALL MODES, NO PROBLEMS FOUND.