# SDR ASAA2019040548895

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2019
- Submitted: April 5, 2019
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 46,766 hours, 13,990 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 002607
- Condition: Failed
- Location: Left
- Part time: 46,772 hours, 13,993 cycles
- Stage of operation: LD
- 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/ASAA2019040548895

## Discrepancy

AFTER LANDING, LEFT FMC INTERMITTENTLY CUTS OUT INDICATED BY "VTK" FLAG IN ND AND GPWS INOP. GROUNDED - YES. REMOVED AND REPLACED LEFT/HAND FMC COMPUTER REF B737-800 AMM 34-61-02-400-801, OPS NML REF AMM 34-61-00-710-801 AND AMM 34-61-00-800-801.

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