# SDR ASAA2022051538344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2022
- Submitted: May 17, 2022
- Operation: Air carrier
- Aircraft: [N931AK](https://openairdocs.org/aircraft/N931AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43353
- Aircraft time: 1,328 hours, 384 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: UNKNOWN
- Condition: Failed
- Location: Unknown
- Stage of operation: CR
- 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/ASAA2022051538344

## Discrepancy

WHILE AT CRUISE RIGHT FMC FAILED AND VTK DISPLAYED. NORMAL OPERATION WAS RESTORED WITHOUT PILOT PILOT INTERVENTION BEFORE THE QRH WAS COMPLETED. GROUNDED - YES. FAULT CODES 31-01641 & 31-01642 "NOT ACTIVE" ON OMF FOR FREVIOUS FLT LEG PER ITEM B737-9 IFIM 31-65-00-810-A06 & 31-65-00-810-A07, PROBLEM DETERMINED TO BE INTERMITTENT, NO HISTORY 90 DAYS. NO OTHER FAULT AT PRESENT.

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