An A320 crew reported a dual FMGC failure while on vectors for an ILS but the autothrottles and auto...

Attributes
ACN	923508
Time
Date	201012
Local Time Of Day	0601-1200
Place
Locale Reference	SFO.Airport
State Reference	CA
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	Descent Initial Approach
Route In Use	Visual Approach
Flight Plan	IFR
Component
Aircraft Component	FMS/FMC
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 220 Flight Crew Total 11000 Flight Crew Type 4500
Person 2
Function	First Officer Pilot Flying
Experience	Flight Crew Last 90 Days 130 Flight Crew Total 13000 Flight Crew Type 7720
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

[We were] on vectors for ILS 28R at 6;000 ft. We were on downwind and when I went to select no star to clean up the box. At that moment the mcdu stopped responding and I got a red map not available message on my display. That was followed by a cabin press ldg elev fault ECAM. Shortly after the first officer commented he had also lost his map. At this point we were given a turn to base and were cleared to 4;000 ft. More failures followed by loss of init weights; auto tuned navaids and all flight plan data. While the first officer continued to fly I quickly manually tuned the ILS on navigation panel. At that moment we were given an intercept vector and told to maintain 3;000 ft until established on ILS. There were broken clouds in the area at 1;600 ft. We continued on the ILS and also had the bridge in sight. [We] landed uneventfully. This was similar to a dual FMGC failure without the loss of autopilot 2 and auto throttles.

Original NASA ASRS Text

Title: An A320 crew reported a Dual FMGC failure while on vectors for an ILS but the Autothrottles and Autopilot continued functioning on #2. They were unable to reset the FMGC's but manually tuned the ILS and completed an ILS below broken clouds.

Narrative: [We were] on vectors for ILS 28R at 6;000 FT. We were on downwind and when I went to select no star to clean up the box. At that moment the MCDU stopped responding and I got a red map not available message on my display. That was followed by a cabin press LDG ELEV fault ECAM. Shortly after the First Officer commented he had also lost his map. At this point we were given a turn to base and were cleared to 4;000 FT. More failures followed by loss of INIT weights; auto tuned NAVAIDs and all flight plan data. While the First Officer continued to fly I quickly manually tuned the ILS on NAV panel. At that moment we were given an intercept vector and told to maintain 3;000 FT until established on ILS. There were broken clouds in the area at 1;600 FT. We continued on the ILS and also had the bridge in sight. [We] landed uneventfully. This was similar to a dual FMGC failure without the loss of autopilot 2 and auto throttles.

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.

An A320 crew reported a dual FMGC failure while on vectors for an ILS but the autothrottles and autopilot continued functioning on #2. They were unable to reset the FMGC's but manually tuned the ILS and completed an ILS below broken clouds.