As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TOP OF CLIMB; AIR TRAFFIC CONTROL (ATC) REPORTED AIRCRAFT OFF COURSE. COULD NOT CORRECT AND REQUESTED VECTORS BACK TO SJU. RESET POWER IN A/C, REPROGRAMMED I.N.S. 1-2-3, ALL CHECKED NORMAL. NO FAULTS FOUND IN ACCORDANCE WITH M/M 34-43-0.