As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT GATE IN SJC OPERATIONS BLEW L4 DOOR SLIDE DURING NORMAL A/C SERVICE ON GND. THE SLIDE OPERATED NORMAL DUE TO IT BEING ARMED WHEN OPERATIONS OPENED DOOR..THIS OCCURED ON THE ORIGINATING LEG OF FLT 1432 10FEB IN SJC.. C/A MTC. REPL SLIDE PACK AND DOOR ASSIST BOTTLE IN SJC..