As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: ETOP ATB - CAPT EADI FLICKERED; HAD STRANGE DISPLAY THEN WENT OUT. THERE WAS A FISHY/PLASTIC ODOR. NO VISIBLE SMOKE. OXYGEN MASKS DONNED AS A PRECAUTION. VERIFIED EADI FAILURE IAW ADJ AND TEST, REMOVED AND REPLACED CAPTAIN'S EADI IAW MM 34-22-03-4. EADI NOW TESTS NORMAL. OK FOR SERVICE.