Md-11 flight crew reported a generator drive fault with multiple alerts. Crew accomplished checklist...

Narrative:

Approximately one hour prior to descent; level 2 gen drive 3 fault occurred; accomplished checklist and disconnected. During descent about an hour after disconnecting the idg; we received multiple level 1 alerts; at the top were; bus right emer AC off and bus AC 3 off. All fos displays and mcdu blank; stick shaker going off and multiple other warnings. We reviewed the level one alerts checklist for these items which doesn't tell you much. We considered using the level 2; gen bus fault checklist but decided to review the system manual inoperative equipment list for the bus losses. Additionally; we contacted operations and maintenance control for further recommendations. We agreed we could continue to a safe landing. The one issue that concerned us was all of the number one engine fuel pumps would turn off for approximately 1-2 minutes then cycle and do it again. This would give us the warning that it was now suction feeding. We did not have any other notable electrical loss on any other bus. At approximately 200 ft on final both buses came back online. Landing was normal.

Original NASA ASRS Text

Title: MD-11 flight crew reported a generator drive fault with multiple alerts. Crew accomplished checklists and landed successfully.

Narrative: Approximately one hour prior to descent; Level 2 Gen Drive 3 Fault occurred; accomplished checklist and disconnected. During descent about an hour after disconnecting the IDG; we received multiple level 1 alerts; at the top were; Bus R Emer AC Off and Bus AC 3 Off. All FOs displays and MCDU blank; stick shaker going off and multiple other warnings. We reviewed the level one alerts checklist for these items which doesn't tell you much. We considered using the Level 2; Gen Bus Fault checklist but decided to review the system manual inoperative equipment list for the bus losses. Additionally; we contacted Operations and Maintenance Control for further recommendations. We agreed we could continue to a safe landing. The one issue that concerned us was all of the number one engine fuel pumps would turn off for approximately 1-2 minutes then cycle and do it again. This would give us the warning that it was now suction feeding. We did not have any other notable electrical loss on any other bus. At approximately 200 ft on final both buses came back online. 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.

Attributes
ACN	1472617
Time
Date	201708
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Generator Drive
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 80 Flight Crew Total 19500 Flight Crew Type 5500
Person 2
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe

Md-11 flight crew reported a generator drive fault with multiple alerts. Crew accomplished checklists and landed successfully.