As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS IN FLT SHUT DOWN OF NR 1 ENG DUE TO LOW OIL PRESS MASTER WARNING MSG. INSPECTED LT ENG AND FOUND OIL LEAKING FROM SPLINE PLUG FOR NR 1 EDP DEACTIVATION. VERIFIED LPT AND HPT ROTATE FREE. INTERROGATED MDC ENG EXCEEDENCE AND FOUND LT ENG LOP/SEC IN LIMITS IAW CRJ MM 72-00-00-280-201. C/W CHIP DETECTOR AND OIL FILTER INSPECTION AND NO CONTAMINATION FOUND.