As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
25 MINUTES INTO REPOSITIONING FLIGHT NR 1 ENGINE N1 DECREASED SLOWLY. ATTEMPT TO REGAIN OPERATING NR 1 UNSUCCESSFUL. PILOT INITIATED SINGLE ENGINE PROCEDURES TO A SUCCESSFUL SINGLE ENGINE LANDING. NO AIRCRAFT DAMAGE, NO PERSONAL INJURIES. TROUBLESHOOTING TO DETERMINE CAUSE IS IN PROGRESS.