What was found
EN ROUTE FROM DTW TO TOL THE CREW CONTACTED DISPATCH ADVISING THAT BOTH COPILOTS EFIS SCREENS WERE GOING DARK. THE FLIGHT RETURNED TO DTW. NO EMERGENCY DECLARED. REMOVED AND REPLACED RELAY 70PC. ALL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EN ROUTE FROM DTW TO TOL THE CREW CONTACTED DISPATCH ADVISING THAT BOTH COPILOTS EFIS SCREENS WERE GOING DARK. THE FLIGHT RETURNED TO DTW. NO EMERGENCY DECLARED. REMOVED AND REPLACED RELAY 70PC. ALL CHECKS GOOD.