As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PYLON AT FS 605 IS CRACKED AT THE BOTTOM SIDE. FOUND DURING A C CHECK INSPECTION. REMOVED BLEED AIR LINES AND WIRING. FIT AND INSTALLED RIB IAW CRJ SRM 51-40-11, 51-42-06 & SRM 51-23-00. REINSTALL BLEED AIR DUCT IAW CRJ MM 30-21-01.