As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- FLIGHT 2484, ON PUSHBACK, "PROX SYS FAULT 2" STATUS MSG WITH ALL DOOR CLOSED. INTERROGATED MDC AND FOUND FAULT "SERVICE DOOR HL SENSOR PX38 FAILED/WIRING OPEN CIRCUIT." DEFERRED MTX PER MEL 52-70-5 RSI NR 355141 CATEGORY C EXPIRES 04-18-06. AIRCRAFT RETURNED TO SERVICE.