As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 350 R ENG VIB FOR APPROX 3-5 SECS. SHORTLY AFTER N1 ROLL BACK ITT SPIKE +1000 DEGREES AND ENG OIL DECREASED. DESCENDED AND ENGINE RETURNED R PACK FAULT STATUS MSG. R ENG BLEED CAUTION MSG / REMOVED AND REPLACED RH ENGINE ASSEMBLY IAW CRJ900 AMM 71-00-00-000/400-801-A02-PSA. LEAK AND OPS CHECKS GOOD AT THIS TIME.