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Crew received a reroute during preflight; reprogrammed FMC; and crosschecked data. However; several waypoints dropped out causing a track deviation which was brought to the crew's attention by ATC.
| Attributes | |
| ACN | 1275464 |
| Time | |
| Date | 201507 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZLC.ARTCC |
| State Reference | UT |
| Aircraft 1 | |
| Make Model Name | A321 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Route In Use | Direct |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | FMS/FMC |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Clearance Deviation - Track / Heading All Types |
Narrative:
We received a full route reroute from clearance delivery. The first officer (first officer) entered and inserted the new route. We completed a full route check of the new route. After passing bam salt lake center asked us to confirm our route. At that point we realized that the points between bam and dll were no longer in the FMC. ATC said we could continue to dll with no further comment. Neither the first officer nor I are sure what happened to the route between bam and dll. We both feel it was properly inserted and checked; and there were no route modifications.
Original NASA ASRS Text
Title: Crew received a reroute during preflight; reprogrammed FMC; and crosschecked data. However; several waypoints dropped out causing a track deviation which was brought to the crew's attention by ATC.
Narrative: We received a full route reroute from clearance delivery. The First Officer (FO) entered and inserted the new route. We completed a full route check of the new route. After passing BAM Salt Lake Center asked us to confirm our route. At that point we realized that the points between BAM and DLL were no longer in the FMC. ATC said we could continue to DLL with no further comment. Neither the FO nor I are sure what happened to the route between BAM and DLL. We both feel it was properly inserted and checked; and there were no route modifications.
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.