# SDR YENA2022052700531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2022
- Submitted: May 27, 2022
- Operation: Air carrier
- Aircraft: [N579JB](https://openairdocs.org/aircraft/N579JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02132
- Aircraft time: 70,971 hours, 25,433 cycles
- System (JASC): [3450 · Dependent Position Determining System](https://openairdocs.org/jasc/3450)
- Part: Gps
- Condition: Inaccurate
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2022052700531

## Discrepancy

FLT#1818, POS-FLL. ' BOTH GPS PRIMARY LOST ON ND DISPLAY. ATC ADVISED WE WERE 70 MILES OFF COURSE. UPON SHUTDOWN I FLL GPS DRIFT SHOWED 44 MILES; ACCOMPLISHED TSM TASK 34-58-00-810-828A RESET GPS 1&2 RESET MMR 1 & 2 REALIGNED ADIRUS DRIFT NOW SHOWS .3. NO DEFECT WAS NOTED. OPS CHECK OF GPS GOOD REF 34-36-00.A/C OK FOR SERVICE.'

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