As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER THE ACFT WAS REPOSITIONED TO A REMOTE PAD, FOUND THE L1 DOOR SLIDE ASSY OFF MOUNT & STILL IN THE ARMED POSITION. REMOVED DOOR ASSIST BOTTLE & ESCAPE SLIDE PER B757 AMM 52-11 & WORKCARD 2566-9001-1L RESPECTIVELY. OK TO INSTALL IAW AMM 52-11 & WORKCARD 2566-900-1L. INSTALLED DOOR ASSIST BOTTLE & ESCAPE SLIDE. INSPECTED COMPLIED WITH IAW AMM 52-11 & AMDS WORKCARD 2566-900-1L.