As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH AMLCD WENT BLANK AT FL400. WITHIN ABOUT A MINUTE THERE WAS AN ELECTRICAL BURNING SMELL. NO SMOKE WAS VISIBLE. DIVERTED TO DAL. REMOVED FAILED AMLCD ENGINE INDICATING SYSTEM P/N 9912574-5 S/N02060144AB AND INSTALLED OVERHAULED CUSTOMER SUPPLIED AMLCD ENGINE INDICATING SYSTEM P/N 9912574-5 S/N 05110557AB JAW CES60XL AMM 77-40-00 OPS CHECKS NO DEFECTS NOTED AT THIS TIME.