<< >> NASA ASRS Report 890675, May 2010

A B757 EICAS alerted rt gen drive during the takeoff roll. A short time later the generator failed. Later in flight the APU low oil light annunciated and it shutdown. Now on a single generator; an emergency was declared and the flight diverted to an enroute airport.

Attributes
ACN	890675
Time
Date	201005
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Takeoff Cruise
Flight Plan	IFR
Component
Aircraft Component	Generator Drive
Person 1
Function	Captain Pilot Not Flying
Experience	Flight Crew Last 90 Days 230 Flight Crew Total 24000 Flight Crew Type 7000
Person 2
Function	First Officer Pilot Flying
Experience	Flight Crew Last 90 Days 235 Flight Crew Total 10000 Flight Crew Type 4353
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

On takeoff roll in the high speed regime we got an EICAS 'rt gen drive'. On climb within one minute the right generator failed. We started the APU; powered all buses and performed the irregular procedure. Level at FL380 we contacted dispatch and maintenance; discussed weather enroute and system implications after sending an ACARS writeup. Shortly after this we got an EICAS message 'APU oil qty.' contacted dispatch informed him of the EICAS. Discussed it with maintenance. Checked weather for possible divert. The APU auto shutdown shortly thereafter. We declared an emergency and diverted uneventfully.

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Original NASA ASRS Text

Title: A B757 EICAS alerted RT GEN DRIVE during the takeoff roll. A short time later the generator failed. Later in flight the APU low oil light annunciated and it shutdown. Now on a single generator; an emergency was declared and the flight diverted to an enroute airport.

Narrative: On takeoff roll in the high speed regime we got an EICAS 'RT Gen Drive'. On climb within one minute the right generator failed. We started the APU; powered all buses and performed the irregular procedure. Level at FL380 we contacted Dispatch and Maintenance; discussed weather enroute and system implications after sending an ACARS writeup. Shortly after this we got an EICAS message 'APU OIL QTY.' Contacted Dispatch informed him of the EICAS. Discussed it with Maintenance. Checked weather for possible divert. The APU auto shutdown shortly thereafter. We declared an emergency and diverted uneventfully.

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.