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Captain states that while the EDGAR1B arrival to mmun shows crossing edgar between FL390 and FL340 at 280 knots; the FMC showed the crossing as 280/fl320bfl340a which is not possible.
| Attributes | |
| ACN | 1232900 |
| Time | |
| Date | 201501 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | MMUN.Airport |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR EDGAR1B |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | FMS/FMC |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
We were cleared for the edgar 1B arrival into mmun; landing on RW30L. We checked the step-down points and found an error at the fix: edgar. It's published on the jepp plate as 280/fl 390bfl340a. However; the arrival loaded into the pegasus FMC with: 280/fl320bfl340a. Since it is impossible to be 'below FL320' and 'above fl 340'; we changed the fix data in the FMC. I don't know what the plane would have actually flown in this case. The data in the FMC must be reliable.
Original NASA ASRS Text
Title: Captain states that while the EDGAR1B arrival to MMUN shows crossing EDGAR between FL390 and FL340 at 280 knots; the FMC showed the crossing as 280/FL320BFL340A which is not possible.
Narrative: We were cleared for the EDGAR 1B arrival into MMUN; landing on RW30L. We checked the step-down points and found an error at the fix: EDGAR. It's published on the Jepp plate as 280/FL 390BFL340A. However; the arrival loaded into the Pegasus FMC with: 280/FL320BFL340A. Since it is impossible to be 'below FL320' and 'above FL 340'; we changed the fix data in the FMC. I don't know what the plane would have actually flown in this case. The data in the FMC must be reliable.
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.