# SDR ASAA2020071082881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2020
- Submitted: July 10, 2020
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 51,920 hours, 15,496 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Unknown
- Location: Right
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020071082881

## Discrepancy

IN CRUISE, CAPTAINS ND DISPLAYED VTK THEN MAP THE PROBLEM RESOLVED ITSELF. ND RETURNED TO NORMAL IN ABOUT 1 MINUTE. GROUNDED - YES. ACCOMP FMC BITE L/H FMC SHOWS LAST FLT FAULT FOR R FMC MSG IN R FMC REF B737-800 FIM 34-61 TASK 801. ACCOMP ADIRS BITE L & R ADIRS NO CURRENT FAULTS & NO FLT FAULTS REF B737-800 FIM 34-21 TASK 801.ACCOMP FMC  L & R SENSOR TEST & FIXED OUT PUTS TEST.

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