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CRJ200 first officer experienced loud banging noises at FL250; apparently coming from the left engine; and lost both primary flight displays; both mfds; EICAS display 1 and the FMS. This event repeated two more times before diverting to an alternate airport.
| Attributes | |
| ACN | 1343195 |
| Time | |
| Date | 201603 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Regional Jet 200 ER/LR (CRJ200) |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Generator Drive |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
About 50 NM south of ZZZ we heard a loud bang on the left engine; and lost both primary flight displays; both mfds; EICAS display (ed) 1 and the FMS. We made the decision to monitor the situation and continue. As we continued; we heard another bang on the left engine and once again we lost all screens except ED2. Took a look at the fuel and hydraulic synoptic pages and noticed no abnormalities. I also took a look at the electrical synoptic page and noticed an erratic spikes on the left kva. We decided to look for the next closest field to land; and chose ZZZ as the closest. At this point we were right on top of it. Upon advising ATC; we heard a third bang; and once again lost all screens except ED2. [Center] gave us direct ZZZ but we couldn't insert in FMS; so we asked for vectors and circled down to ZZZ from FL250. Upon decent; our screens came back on momentarily; and just kept going off and on flickering. I disconnected the autopilot and flew the visual to 17.
Original NASA ASRS Text
Title: CRJ200 First Officer experienced loud banging noises at FL250; apparently coming from the left engine; and lost both Primary Flight Displays; both MFDs; EICAS Display 1 and the FMS. This event repeated two more times before diverting to an alternate airport.
Narrative: About 50 NM south of ZZZ we heard a loud bang on the left engine; and lost both Primary Flight Displays; both MFDs; EICAS Display (ED) 1 and the FMS. We made the decision to monitor the situation and continue. As we continued; we heard another bang on the left engine and once again we lost all screens except ED2. Took a look at the fuel and hydraulic synoptic pages and noticed no abnormalities. I also took a look at the electrical synoptic page and noticed an erratic spikes on the left kVA. We decided to look for the next closest field to land; and chose ZZZ as the closest. At this point we were right on top of it. Upon advising ATC; we heard a third bang; and once again lost all screens except ED2. [Center] gave us direct ZZZ but we couldn't insert in FMS; so we asked for vectors and circled down to ZZZ from FL250. Upon decent; our screens came back on momentarily; and just kept going off and on flickering. I disconnected the Autopilot and flew the visual to 17.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.