# SDR ASAA2021041034542

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2021
- Submitted: April 20, 2021
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 27,428 hours, 8,751 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Failed
- Location: Left
- Stage of operation: DE
- 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/ASAA2021041034542

## Discrepancy

LEFT FMC FAIL AT TOD FL 330 FOR 1 MIN THEN RECOVERED FOR REMAINDER OF FLIGHT. GROUNDED - YES. PERFORMED FMCS L&R INFLT FAULTS BITE - NO FAULTS LAST 10 FLTS. PERFORMED B737-900 FIM 34-61 TASK 836, INITIAL EVALUATION GOOD. GROUND VERIFICATION TEST GOOD.

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