# SDR ASAA2022111440781

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2022
- Submitted: November 16, 2022
- Operation: Air carrier
- Aircraft: [N921AK](https://openairdocs.org/aircraft/N921AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43337
- Aircraft time: 4,015 hours, 1,148 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Failed
- Location: Left
- Stage of operation: NR
- 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/ASAA2022111440781

## Discrepancy

TWICE ENROUTE FMC LEFT "FAILED" FOR 60-90 SECONDS. VTK FLAG AND MAP FLAG DISPLAYED ON LEFT ND, FMC MENU ON BOTH MCDU. RIGHT FMC ACTED NORMAL FMC "L" RECOVERED ON ITS OWN WITHOUT QRH INTERVENTION. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918 RESET FMC #1 NO FAULTS NOTED.

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