As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 2993 CAPT EHSI/EFIS DISPLAY WENT BLANK. CREW REPORTED ELECTRICAL ODOR SHORTLY AFTER SCREEN WENT BLANK. QRH/ C/B PULLED. MAINTENANCE REMOVED AND REPLACED LT EHSI AND ALL CHECKS GOOD IAW SF340 MM CHAP 34. P/N 622-6342-022, S/N ON 5068.