# SDR ASAA2020012171916

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2020
- Submitted: January 22, 2020
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 36,747 hours, 10,936 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Warning Message
- Condition: False Activation
- Location: Fmcs
- 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/ASAA2020012171916

## Discrepancy

FMCS DATA LOADER MESSAGE ON MCDU NO DISK IN DATA LOADER. GROUNDED - YES. PERFORMED FMS BITE TEST OF L & R FMS PER B737-800 FIM 34-61 TASK 801, OPS NRML - NO MESSAGES, FAULTS OR FAILURES NOTED. ETOPS SIGNIFICANT SYSTEM - GROUND VERIFICATION SUCCESSFUL.

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