 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
B747-400 pilot reports loss of both FMC's in cruise over the pacific ocean. After a few minutes all systems are restored to normal. The aircraft had a history of FMC malfunctions.
| Attributes | |
| ACN | 963589 |
| Time | |
| Date | 201108 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZOA.ARTCC |
| State Reference | CA |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 240 Flight Crew Total 15000 Flight Crew Type 8000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Track / Heading All Types |
Narrative:
During cruise we lost both FMC's; autopilot; autothrottles; map displays and numerous other system items. After a few minutes we were able to restore all systems. During the event we drifted approximately 3-5 miles left of course. We advised dispatch; ATC; and maintenance. Maintenance said the aircraft had previous write ups about the FMC lost.
Original NASA ASRS Text
Title: B747-400 pilot reports loss of both FMC's in cruise over the Pacific Ocean. After a few minutes all systems are restored to normal. The aircraft had a history of FMC malfunctions.
Narrative: During cruise we lost both FMC's; autopilot; Autothrottles; map displays and numerous other system items. After a few minutes we were able to restore all systems. During the event we drifted approximately 3-5 miles left of course. We advised Dispatch; ATC; and Maintenance. Maintenance said the aircraft had previous write ups about the FMC lost.
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.