# SDR ASAA2019101651023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2019
- Submitted: October 16, 2019
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43255
- Aircraft time: 23,647 hours, 7,706 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Warning Flag
- Condition: False Activation
- Location: Display
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019101651023

## Discrepancy

MAP FLAG ON FO NAV DISPLAY. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836 RESET FT FMC & MAP FLAG EXTINGUISHED. DO FAULTS.

---
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.