<< >> NASA ASRS Report 864811, December 2009

A B757-200 flight crew experienced the loss of the right electrical bus on descent. Continued utilizing primarily the captain's instrumentation.

Attributes
ACN	864811
Time
Date	200912
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.TRACON
State Reference	US
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Descent
Flight Plan	IFR
Component
Aircraft Component	Electrical Distribution
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

The right electrical bus failed during our descent. It was my leg; but after the captain finished the QRH I suggested that the captain take over flying duties as he had many more instruments still working on his side. The trim did not work on my side either; but still worked on his side. Although we took the precaution of letting ATC know that would not be able to make altitude restrictions; I believe that we were able to maintain course and crossing restrictions; despite a degraded situation.

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Original NASA ASRS Text

Title: A B757-200 flight crew experienced the loss of the right electrical bus on descent. Continued utilizing primarily the Captain's instrumentation.

Narrative: The right electrical Bus failed during our descent. It was my leg; but after the Captain finished the QRH I suggested that the Captain take over flying duties as he had many more instruments still working on his side. The trim did not work on my side either; but still worked on his side. Although we took the precaution of letting ATC know that would not be able to make altitude restrictions; I believe that we were able to maintain course and crossing restrictions; despite a degraded situation.

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.