As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRUISE ALTITUDE FL410 ENG NR 1 COMPUTER LIGHT ILLUMINATED WITH SLIGHT RPM ROLLBACK. FOLLOWED CHECKLIST, RESETTING COMPUTER. 30 SECONDS LATER REPEAT OCCURRENCE. FOLLOWED CHECKLIST AGAIN AND CONTINUED FLIGHT WITH COMPUTER OFF AND IN MANUAL MODE. DECIDED TO LAND IN KPBI RATHER THAN PROCEEDING WITH A KNOWN MECHANICAL ISSUE.