As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOTS REPORTED SMOKE COMING FROM THE NR 1 FMS, CPT. CIRCUIT BREAKER PULLED, SMOKE IMMEDIATELY STOPPED: NO FURTHER PROBLEMS. CIRCUIT BREAKER REMAINED PULLED. NR 1 FMS UNIT WAS REPLACED IAW AMM 34-61-FMS. DATA BASE UPDATE CARRIED OUT IAW UNS 1E OPS MANUAL.