# SDR ASAA2021110636532

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2021
- Submitted: November 9, 2021
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 50,894 hours, 15,320 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: LD
- 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/ASAA2021110636532

## Discrepancy

UPON LANDING LOST BOTH FMC'S. THEN AFTER 2 MIN OF TAXIING IN CHANGED TO "FMC DISAGREE". GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 801 AND FOUND L FMCS PGM FAULT. PERFORMED FIM 34-61 TASK 807 AND OPS TEST GOOD.

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