Dual FMGC failures left an A319's flight crew navigating on VOR's without the nd's or mcdu's.

Attributes
ACN	793202
Time
Date	200807
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 37000
Environment
Flight Conditions	VMC
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A319
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 100 flight time total : 15000 flight time type : 2000
ASRS Report	793202
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 180 flight time total : 6000 flight time type : 3000
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	aircraft equipment other aircraft equipment : ecam other flight crewa other flight crewb
Resolutory Action	flight crew : overcame equipment problem
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Approximately 1 hour into flight X from ZZZ to ZZZ1; we got an ECAM advising us to set cabin attendant altitude to landing field elevation. At the same time; the navigation system reverted to heading and the nd displays and FMGC's (map and mcdu's) failed on both sides. After talking with dispatch and ZZZ2 maintenance and many circuit breaker resets; we were unable to regain either FMGC or nd display. We reverted to using manual navigation (VOR's) and continued to ZZZ1 uneventfully.

Original NASA ASRS Text

Title: DUAL FMGC FAILURES LEFT AN A319'S FLT CREW NAVIGATING ON VOR'S WITHOUT THE ND'S OR MCDU'S.

Narrative: APPROX 1 HR INTO FLT X FROM ZZZ TO ZZZ1; WE GOT AN ECAM ADVISING US TO SET CAB ALT TO LNDG FIELD ELEVATION. AT THE SAME TIME; THE NAV SYS REVERTED TO HDG AND THE ND DISPLAYS AND FMGC'S (MAP AND MCDU'S) FAILED ON BOTH SIDES. AFTER TALKING WITH DISPATCH AND ZZZ2 MAINT AND MANY CIRCUIT BREAKER RESETS; WE WERE UNABLE TO REGAIN EITHER FMGC OR ND DISPLAY. WE REVERTED TO USING MANUAL NAV (VOR'S) AND CONTINUED TO ZZZ1 UNEVENTFULLY.

Data retrieved from NASA's ASRS site as of May 2009 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.