# SDR HALA2018091500423

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2018
- Submitted: October 9, 2018
- Operation: Air carrier
- Aircraft: [N214HA](https://openairdocs.org/aircraft/N214HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 08157
- Aircraft time: 421 hours, 85 cycles
- System (JASC): [3457 · Global Positioning System](https://openairdocs.org/jasc/3457)
- Part: Gps
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2018091500423

## Discrepancy

ATB - ON CLIMB OUT F/O ND DISPLAYED "GPS PRIMARY LOST" CHECKED NAVIGATION ERROR W/GROUND BASED VOR AND NAV ERROR +/- 6-7 / +1.0 DME. MCDUS SHOWED ACCUR HIGH, GPS PRIMARY, GPS MONITOR WAS NAV WITH 9 SATS EACH. PERFORMED AMM 34-55-00 BITE TEST OF VOR AND PERFORMED OPS CHECK VOR GOOD ON GROUND.

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