<< >> NASA ASRS Report 1383777, August 2016

A300 flight crew reported diverting to a nearby alternate after APU failure left them with one generator.

Attributes
ACN	1383777
Time
Date	201608
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	A300
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	APU
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Total 12500 Flight Crew Type 475
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

During cruise flight; we had 1 integrated drive generator (idg) deferred. Complying with the MEL; we had the APU in use for a second generator. About 500 miles from our destination; the APU had an auto shutdown. At this point we were down to one generator. Being that we were 67 miles from airport ZZZ; we elected to [advise ATC of the situation] and land in ZZZ.

Related reports:

• M20 pilot reported diverting due to an alternator failure.
• B737 pilot reported diverting due to an engine failure.
• C172 pilot reported diverting due to engine roughness follow...

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Original NASA ASRS Text

Title: A300 flight crew reported diverting to a nearby alternate after APU failure left them with one generator.

Narrative: During cruise flight; we had 1 Integrated Drive Generator (IDG) deferred. Complying with the MEL; we had the APU in use for a second generator. About 500 miles from our destination; the APU had an auto shutdown. At this point we were down to one generator. Being that we were 67 miles from airport ZZZ; we elected to [advise ATC of the situation] and land in ZZZ.

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.