# SDR ASAA2022102040420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2022
- Submitted: October 24, 2022
- Operation: Air carrier
- Aircraft: [N943AK](https://openairdocs.org/aircraft/N943AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44084
- Aircraft time: 474 hours, 143 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: UNKNOWN
- Condition: Intermittent
- Location: Unknown
- Stage of operation: NR
- 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/ASAA2022102040420

## Discrepancy

TEMPORARILY LOST BOTH NAV DISPLAYS WITH VTK APPEARING ON BOTH NAV DISPLAY SCREENS AND FMC BLANKING / DEFAULTING TO MENU MODE. SYSTEM SELF-CORRECTED IN 40-60 SECONDS. ALL NORMAL. GROUNDED - YES. VERIFIED OPERATION OF FMC NORMAL REF B737-9 AMM 34-61-00-710-801.

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