# SDR ASAA2015021410637

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2015
- Submitted: February 17, 2015
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 8,834 hours, 2,839 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: CR
- 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/ASAA2015021410637

## Discrepancy

DURING CRUISE, RIGHT FMC FAILED, VTK FOLLOWED BY MAP DATA LOSS ON F/O PFD.  FMC RESET ITSELF WITHOUT PILOT INTERVENTION.  ACFT GROUNDED.  BOTH FMC TESTED IAW MM 34-61-00 AND BOTH OPS CK GOOD.  NO HISTORY 30 DAYS.

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