As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, RT ENG OIL PRESSURE WARNING MESSAGE DISPLAYED. COMPLETED QRH 1-17, ALL OTHER INDICATIONS WERE NORMAL. REMOVED & REPLACED RH ENG OIL PRESSURE SWITCH AS PER CRJ 900 AMM 79-31-03. ALL INDICATIONS NORMAL DURING ENG RUN PER CRJ 900 AMM 71-00-00. OPS & LEAK CHECK GOOD.