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A B737NG captain noted [an] often reported l-gps fail alert by crews on approach to MMMX between the mavek and plaza waypoints.
| Attributes | |
| ACN | 1409078 |
| Time | |
| Date | 201612 |
| Place | |
| Locale Reference | MMMX.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | GPS & Other Satellite Navigation |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Other / Unknown |
Narrative:
When landing in mexico city on the transition from mavek to plaza there is an anomaly where [an] l-gps fail illuminates on the CDU. This is a momentary loss of the l-gps which I was told is due to a cell phone signal blocking device at a local jail (not sure if true). I feel on the 10-7 page there should be a note to advice pilots that this anomaly exists. I am constantly seeing write ups in the logbook for this as we have more and more new pilots on the 737.
Original NASA ASRS Text
Title: A B737NG Captain noted [an] often reported L-GPS FAIL alert by crews on approach to MMMX between the MAVEK and PLAZA waypoints.
Narrative: When landing in Mexico City on the transition from MAVEK to PLAZA there is an anomaly where [an] L-GPS FAIL illuminates on the CDU. This is a momentary loss of the L-GPS which I was told is due to a cell phone signal blocking device at a local jail (not sure if true). I feel on the 10-7 page there should be a note to advice pilots that this anomaly exists. I am constantly seeing write ups in the logbook for this as we have more and more new pilots on the 737.
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.