As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY MAINTENANCE, MAINTENANCE FOUND L2 DOOR SLIDE PACKBOARD CRACKED ADJACENT TO UPPER ASSEMBLY ATTACH POINT. REPLACED L2 DOOR SLIDE IAW JOB CARD CJ170-05-20-0002. AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.