# SDR ASAA2023013141755

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2023
- Submitted: February 2, 2023
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 52,417 hours, 15,391 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Not Entered
- Part number: NOTENTERED
- Condition: Not Entered
- Location: Not Entered
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023013141755

## Discrepancy

AFTER LANDING THE LEFT FMC FAILED. THE FMC CONTINUALLY CYCLED ON/OFF THROUGHOUT TAXI IN TO THE GATE. GROUNDED - YES. CAPT'S FMC LOGGED 'PGM' FAULT ON GND. ACCOMP B737-800 FIM TASK 34-61 #807 & 836. GND VERIFICATION SUCCESSFUL, ALL CKS NML.

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