As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHILE OPENING UP FOR C CHECK, THE L2 SLIDE FELL OUT OF THE AIRCRAFT SIDE. SLIDE DID NOT DEPLOY, BUT DID UNRAVEL, AS DOOR WASN'T OPENED. SLIDE BOTTLE WAS PINNED AFTER THE FACT AS SAFETY PRECAUTION. MAINTENANCE REPLACED THE L2 DOOR SLIDE PER TASK CARD 26L00025012.