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Be-400 flight crew reported an status data unit error message followed by intermittent pfd and navigational display failures on both the captain and first officer's displays.
| Attributes | |
| ACN | 1422030 |
| Time | |
| Date | 201702 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Beechjet 400 |
| Component | |
| Aircraft Component | Position Computing System |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Instrument Flight Crew Multiengine |
| Person 2 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Flight Deck / Cabin / Aircraft Event Other / Unknown |
Narrative:
After engine start and starting to taxi we had a red flight director FD box and red magnetic on the captain side. We pulled off to the runup area before runway xy. The captain called maintenance and they advised to shut down completely and restart. After doing that all annunciations were clear and we taxied to the runway. No issues during initial takeoff and climb out. During the continued climb the captain's sdu went black for a few min and then came back on. After that it went out again and my status display unit (sdu)went black and started back up again. The left sdu seemed to stay black and the right side was continuing to go on and off. We decided to return back to ZZZ with the unreliable sdus and unknown if the issue with the magnetic on the left side would return. We asked ATC to return. When sent back to approach they asked for souls and fuel on board. No issues on the return back; landing was normal.
Original NASA ASRS Text
Title: BE-400 Flight Crew reported an Status Data Unit error message followed by intermittent PFD and Navigational Display failures on both the Captain and First Officer's displays.
Narrative: After engine start and starting to taxi we had a red Flight Director FD box and red MAG on the captain side. We pulled off to the runup area before runway XY. The captain called maintenance and they advised to shut down completely and restart. After doing that all annunciations were clear and we taxied to the runway. No issues during initial takeoff and climb out. During the continued climb the Captain's SDU went black for a few min and then came back on. After that it went out again and my Status Display Unit (SDU)went black and started back up again. The left SDU seemed to stay black and the right side was continuing to go on and off. We decided to return back to ZZZ with the unreliable SDUs and unknown if the issue with the MAG on the left side would return. We asked ATC to return. When sent back to Approach they asked for souls and fuel on board. No issues on the return back; landing was normal.
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.