# SDR ASAA2019092230770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2019
- Submitted: September 23, 2019
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 49,229 hours, 14,755 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019092230770

## Discrepancy

MCP LOCKUP ABOUT 30" DURING DESCENT THEN RETURNED TO NORMAL OPERATION. NOTE: DID NOT HAVE TO DO QRH PROCEDURE. GROUNDED - YES. ACCOMPLISHED FMC RESET PER FIM 34-61 TASK 836, FMC RESET NORMAL.

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