# SDR ASAA2023072444212

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2023
- Submitted: July 25, 2023
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 60,712 hours, 18,136 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/ASAA2023072444212

## Discrepancy

DURING CRUISE AT FL 360 VTK ON CAPT ND, ON MENU PAGE OF CAPTS FMC, LOST LNAV & VNAV, RAN QRH PROCEDURE. GROUNDED - YES. PERFORMED FIM TASK 34-61 TASK 836, FAULT CLEARED. SEAMC DOUG NOTIFIED. GROUND VERIFICATION SUCCESSFUL. NO FAULTS.

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