# SDR ASAA2022021337428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2022
- Submitted: February 16, 2022
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 52,827 hours, 15,759 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: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022021337428

## Discrepancy

VTK MESSAGE AND FMC FAILURE ON CAPTAIN SIDE. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 801 FMCS BITE PROCEDURE AND FMC-L PGM FAULT LOGGED AS INTERMITTENT @ 0434Z. PERFORMED FIM 34-61 TASK 807 AND DETERMINED LEFT FMC COULD NOT EXECUTE A SOFTWARE INSTRUCTION AND RECOVERED FROM THIS FAULT. LEFT FMC OP CHECKS NORMAL AT THIS TIME FIM DIRECTS NO FURTHER ACTION REQUIRED, OK FOR SERVICE.

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