# SDR ASAA2016122219148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2016
- Submitted: December 27, 2016
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43255
- Aircraft time: 12,645 hours, 4,160 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016122219148

## Discrepancy

PILOT REPORTED ON TOUCHDOWN, ALL ROUTE DATA IS REMOVED FROM FMCS.  ACFT GROUNDED. IAW AMM 24-61-00-860-801.  THIS IS CONSIDERED A FLIGHT OPERATION NORMAL, NUISANCE CONDITION WITH FMC OPS U11.0 SOFTWARE.

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