# SDR ASAA2021020133988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2021
- Submitted: February 3, 2021
- Operation: Air carrier
- Aircraft: [N471AS](https://openairdocs.org/aircraft/N471AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41703
- Aircraft time: 23,999 hours, 7,662 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Failed
- Location: Left
- Stage of operation: NR
- 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/ASAA2021020133988

## Discrepancy

HAD SHORT PERIOD (APPROX 1 MIN) FMC FAIL (VTK) ON CAPTAIN SIDE. IT CORRECTED ITSELF BEFORE ANY CHECKLIST WAS RUN. GROUNDED - YES. PERFORMED LEFT FMC RESET PER B737-900 FIM 34-61-00-810-836. BITE SHOWS "PRES LAT" FAULT. NO OTHER FAULTS LOGGED. SYS OPS NML.

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