As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PVG - DURING AIRCRAFT SERVICING LEFT NUMBER FOUR DOOR SLIDE WAS DISLODGED FROM BUSTLE HOUSING AND BACKBOARD. SLIDE DID NOT DEPLOY. SUSPECT HOUSING STRUCK BY CATERING EQUIPMENT. REPLACED LEFT NUMBER FOUR DOOR SLIDE. SYSTEM GROUND CHECKED NORMAL OPERATION.