As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INADVERTENTLY DEPLOYED RIGHT SIDE UPPER DECK SLIDE WHILE AIRCRAFT WAS PARKED AT KMIA. REMOVED SLIDE IN ACCORDANCE WITH AMM 25-68-07. TRANSFERRED TO DI LOG #12408 IN ACCORDANCE WITH MEL 25-11. PLACARD INSTALLED. SLIDE DEPLOYED WITHOUT ANY MALFUNCTION.