As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT AND RIGHT LOW PRESSURE AIR CONDITIONING DUCTS, BULKHEAD FITTINGS HAVE ALIGNMENT PINS MISSING. PERFORMED A MAJOR REPAIR AT FS 621.00 LT AND RT BY REMOVING DAMAGED BULKHEAD FITTINGS, AND INSTALLING NEW FITTINGS P/N 601R96151-7 AT BOTH LOCATIONS IAW CRJ SRM 51-42-06.