As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- NR 1 ENGINE MAIN ENGINE MOUNT ON ENGINE HAS AREA OF DAMAGE ON THE TOP SIDE OF THE MAIN ENGINE MOUNT THAT WILL NOT ALLOW THRUST FITTING BEARING TO ENGAGE MOUNT. REPAIRED IAW CRJ SRM 71-20-01 AND 70-42-00. OPERATIOANL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.