As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED SLIDE FROM R1 DOOR. REMOVAL FROM A/C ONLY. SLIDE UNIT REMOVED FROM AIRCRAFT AND BEING SENT TO VENDOR FOR FURTHER INVESTIGATION. SLIDE UNIT WILL HAVE NEW SLIDE UNIT INSTALLED TO RETURN A/C TO SERVICE. EMERGENCY EVACUATION WAS DUE TO ATA 21 AND BEING CONTAMINATED BY HYDRAULIC FLUID.