As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OUT OF SCOPE': WEAR ON RUB STRIPS OF LOWER AND UPPER FORWARD CORE COWL AT RH ENGINE/LH ENGINE WEAR ON RUB STRIPS OF LOWER AND UPPER FORWARD CORE COWL AT RH ENGINE AND UPPER FORWARD CORE COWL LH ENGINE WERE REPLACED PER CRJ-900 SRM 54-23-00-201-006-A01, RUB STRIPS OF LOWER FORWARD CORE COWL AT LH ENGINE NOT NECESSARY REPLACE BECAUSE THRUST REVERSER ASSY WAS REPLACED ON NRC 00366