As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT AD08 NR 2 ENGINE RPM DECAYED TO 97 PERCENT, PRECAUTIONARY SHUTDOWN NR 2 ENGINE AND LANDED SAFELY AT AAB. FOUND NR 2 VALVE HOUSING MALFUNCTIONED, REPLACED VALVE HOUSING, PERFORMED ENGINE RUN, OPS CHECKED GOOD PER J/C 61013 AND 6103.