# SDR ASAA2023063043843

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2023
- Submitted: July 3, 2023
- Operation: Air carrier
- Aircraft: [N472AS](https://openairdocs.org/aircraft/N472AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 60580
- Aircraft time: 30,799 hours, 9,498 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/ASAA2023063043843

## Discrepancy

DURING CRUISE. RIGHT FMC FAILED MOMENTARILY AND WITHIN A FEW SECONDS RESET ITSELF. INDICATED BY VTK ON RIGHT SIDE. MAP FUNCTIONED NORMALLY. RIGHT FMC FUNCTIONED NORMALLY REMAINDER OF FLIGHT. GROUNDED - YES. ACCOMP B737-900 FIM 34-61 TASKS #801 & 824. SYS OPS CKS NML, GND VERIFICATION SUCCESSFUL.

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