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A crj-200 first officer reported diverting to a nearby alternate after hearing a bang and noticing electrical anomalies.
| Attributes | |
| ACN | 1343437 |
| Time | |
| Date | 201603 |
| Local Time Of Day | 1201-1800 |
| 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 |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
At cruise; we heard a bang from the back left of the airplane. We had normal indications on all instruments and synoptic pages; except for the electrical synoptic page. Gen 1 had erratic [voltage]; ranging from 3 to 14 and back very rapidly. All pfds; mfds; EICAS display (ed); and the FMS began to flicker and go in and out. I was in favor of diverting initially. The captain wanted to monitor and look into the situation before making a decision. The engine had a vibration and our displays continued to act up. We still had normal indications. Rather than continue; we came to an agreement to divert to [a nearby airport] and made an uneventful landing.after a maintenance run up we do not know why the issues occurred.
Original NASA ASRS Text
Title: A CRJ-200 First Officer reported diverting to a nearby alternate after hearing a bang and noticing electrical anomalies.
Narrative: At cruise; we heard a bang from the back left of the airplane. We had normal indications on all instruments and synoptic pages; except for the electrical synoptic page. Gen 1 had erratic [voltage]; ranging from 3 to 14 and back very rapidly. All PFDs; MFDs; EICAS Display (ED); and the FMS began to flicker and go in and out. I was in favor of diverting initially. The Captain wanted to monitor and look into the situation before making a decision. The engine had a vibration and our displays continued to act up. We still had normal indications. Rather than continue; we came to an agreement to divert to [a nearby airport] and made an uneventful landing.After a maintenance run up we do not know why the issues occurred.
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.