As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLIGHT OF FLT 718 DTW-ACA, THE CREW NOTED NR 1 SEC (SPOILER ELEVATOR COMPUTER) ON ECAM FAULTED AND ON OVERHEAD PUSHBUTTON SWITCH.MAINTENANCE SWAPPED THE NR 1 SEC AND THE NR 3 SEC. NR 3 SEC (S/N 5601) WAS DEFERRED PER MEL 27-94-01. ALL MAINTENEANCE PROCEDURES AND CHECKS C/W. NOTE: REPLACED SEC (S/N 5601)ON 2/7/04.