As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CLIMBING THRU 9500 FEET, THE NR 1 ENGINE COMPRESSOR STALLED. THE ENGINE WAS SHUT DOWN PER COM AND THE AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE PER MAINTENANCE AND TAFI MANUALS INCLUDING A BORESCOPE WITH NO TROUBLE FOUND.