B767 flight crew reported during climb the upper engine indicating and crew alerting system screen went blank. The crew decided to return to the departure airport.
Synopsis
B767 flight crew reported during climb the upper engine indicating and crew alerting system screen went blank. The crew decided to return to the departure airport.
Narrative
During our climb out of ZZZ the captain first noticed our Upper EICAS went out. Captain was PF and asked myself and the Relief Pilot to see if there was abnormal checklist for the situation. We decided to level off at our latest cleared altitude which was 17;000ft to resolve the issue while we remained on course. Captain transferred the flight controls and radios to myself so he could call dispatch and maintenance over Satcom. The EICAS came back on its own but the main concern was when the screen went out it; the information did not auto compress on the lower screen and the standby engine indicators did not turn on. This pointed to that it was not a computer issue and the screen continued to go on and off especially if the brightness control was touched or wiggled. After discussing with the company they stated it was our choice to continue to return to ZZZ. Due to the uncertainty of the cause and that the engine information did not compress on the remaining screen we decided to return to ZZZ as we were still close and so maintenance could look at the aircraft. After beginning the diversion we decided to hold at a fix on the arrival to burn fuel to get down to max landing weight. We held for about 30-40min for enough fuel to be burned. We then completed a normal arrival and approach/landing in ZZZ.
Second reporter narrative
I was operating the flight as the Relief Pilot. On departure climb out; the upper EICAS screen blanked. The lower EICAS screen did not compact; nor did the standby engine instrument activate. All crew completed appropriate duties for a non normal procedure and appropriate check lists were run. The screen intermittently displayed engine gauges when adjusting the brightness knobs; but the screen would still blank randomly. After deliberating; the CA believed it was the safest course of action to RTF (Return to Field) before proceeding on a transcontinental flight to have Mx (Maintenance) fix the aircraft. I agreed. We decided to burn fuel before landing in order to be under max landing weight. Appropriate checklists were run; and the appropriate people were notified. We made a successful landing at ZZZ on XXR and completed our flight duties.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.