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Loss of all nd's and pfd's due to dual FCU failures causes an A320 flight crew to divert to a nearby airport for an overweight landing.
| Attributes | |
| ACN | 813551 |
| Time | |
| Date | 200811 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 17000 |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 100 flight time total : 6000 flight time type : 1300 |
| ASRS Report | 813551 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 150 flight time total : 12000 flight time type : 4500 |
| ASRS Report | 813550 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : ecam |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Normal takeoff and departure to 17000 ft. I was hand flying the airplane. The nd and pfd began to flash followed by a recurring ECAM. The autothrottles disconnected and all navigation; moving map; MCP functions; ceased to work. The ECAM was automatic flight FCU 1 and 2 fail. I continued to hand fly the airplane. The captain worked the ECAM and flight manual checklist. He consulted with dispatch; and maintenance control. Maintenance control directed us to pull some circuit breakers to try and reset the systems. The reset worked for about three minutes and then the same failures occurred again. The captain and I decided it was best to divert. We decided on ZZZ. The overweight checklist was run; dispatch; passengers; and flight attendants were advised. The captain flew a raw data ILS to a normal landing. We declared an emergency. We landed and rolled out to the end to minimize brake heat due to the overweight landing. The aircraft was inspected by the fire department and we continued to the gate.
Original NASA ASRS Text
Title: LOSS OF ALL ND'S AND PFD'S DUE TO DUAL FCU FAILURES CAUSES AN A320 FLIGHT CREW TO DIVERT TO A NEARBY AIRPORT FOR AN OVERWEIGHT LANDING.
Narrative: NORMAL TAKEOFF AND DEPARTURE TO 17000 FT. I WAS HAND FLYING THE AIRPLANE. THE ND AND PFD BEGAN TO FLASH FOLLOWED BY A RECURRING ECAM. THE AUTOTHROTTLES DISCONNECTED AND ALL NAVIGATION; MOVING MAP; MCP FUNCTIONS; CEASED TO WORK. THE ECAM WAS AUTO FLT FCU 1 AND 2 FAIL. I CONTINUED TO HAND FLY THE AIRPLANE. THE CAPTAIN WORKED THE ECAM AND FLIGHT MANUAL CHECKLIST. HE CONSULTED WITH DISPATCH; AND MAINT CONTROL. MAINT CONTROL DIRECTED US TO PULL SOME CIRCUIT BREAKERS TO TRY AND RESET THE SYSTEMS. THE RESET WORKED FOR ABOUT THREE MINUTES AND THEN THE SAME FAILURES OCCURRED AGAIN. THE CAPTAIN AND I DECIDED IT WAS BEST TO DIVERT. WE DECIDED ON ZZZ. THE OVERWEIGHT CHECKLIST WAS RUN; DISPATCH; PASSENGERS; AND FLT ATTENDANTS WERE ADVISED. THE CAPTAIN FLEW A RAW DATA ILS TO A NORMAL LANDING. WE DECLARED AN EMERGENCY. WE LANDED AND ROLLED OUT TO THE END TO MINIMIZE BRAKE HEAT DUE TO THE OVERWEIGHT LANDING. THE AIRCRAFT WAS INSPECTED BY THE FIRE DEPARTMENT AND WE CONTINUED TO THE GATE.
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.