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A B737-300 flight crew experienced loss of first officer's flight instruments and other components due to an electrical bus failure. They coordinated with dispatch and diverted to a suitable airport.
| Attributes | |
| ACN | 829081 |
| Time | |
| Date | 200903 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | Marginal |
| Aircraft 1 | |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Electrical Distribution Busbar |
| Person 1 | |
| Function | Captain Pilot Flying |
| Experience | Flight Crew Last 90 Days 210 Flight Crew Total 14000 Flight Crew Type 8000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
40 minutes into the flight; cruising at FL260; autopilot engaged. Experienced a complete electrical failure of all first officer's flight instruments. The autopilot disengaged and stabilizer trim was inoperative. A check of the circuit breaker panel found none tripped. Advised dispatch we were declaring an emergency and diverting to ZZZ; landing with no incidents. Maintenance log history showed prior electrical bus failure.
Original NASA ASRS Text
Title: A B737-300 flight crew experienced loss of First Officer's flight instruments and other components due to an electrical bus failure. They coordinated with dispatch and diverted to a suitable airport.
Narrative: 40 minutes into the flight; cruising at FL260; autopilot engaged. Experienced a complete electrical failure of all First Officer's flight instruments. The autopilot disengaged and stabilizer trim was inoperative. A check of the CB panel found none tripped. Advised dispatch we were declaring an emergency and diverting to ZZZ; landing with no incidents. Maintenance log history showed prior electrical bus failure.
Data retrieved from NASA's ASRS site as of April 2012 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.