As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL30, THE PILOT REPORTED SMOKE IN THE COCKPIT. DECLARED AN EMERGENCY AND DIVERTED. NOTICED THE SMOKE WENT AWAY AND AFTER DESCENDING TO FL15, CANCELED THE EMERGENCY. PROBLEM WAS THE BLOWER MOTOR ON THE NR 1 IRU. NO C/B’S TRIPPED, AND NO SYSTEMS WERE COMPROMISED.