As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR OF SMOKE IN COCKPIT. FAN IN E & E BELOW CAPTAIN FAILED IN A NOISY STOP. 20 SECONDS LATER A SECOND FAN STARTED, SUSPECT NR 1 AVIONICS RACK FAN FAILED. R & R NR 3 AVIONIC FAN IAW AMM 21-26-02-400. OPS NORMAL. THIS CLEARS DMI M513783 & WAN 2073160. PLACARD REMOVED.