# SDR DALA2025101107443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2025
- Submitted: October 11, 2025
- Operation: Air carrier
- Aircraft: [N336DX](https://openairdocs.org/aircraft/N336DX), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 8063
- Aircraft time: 24,058 hours, 10,847 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Mmr
- Condition: Faulted
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025101107443

## Discrepancy

ATB - DUE TO A LOSS OF GPS 1 AND 2.   REPLACED MMR-2 PER A321 AMM 34-36-31. (LP 7588596)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.