# SDR ASAA2020021203153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2020
- Submitted: February 13, 2020
- Operation: Air carrier
- Aircraft: [N495AS](https://openairdocs.org/aircraft/N495AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41728
- Aircraft time: 15,714 hours, 5,027 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020021203153

## Discrepancy

# 1 FMC ONLY WORKS WITH RTE PAGE. GROUNDED - YES. AFTER POWER TRANSFER (APU TO GPU) FMC OPERATES NORMALLY. PERFORMED #1 FMC OPERATIONAL TEST REF B737-900 AMM 34-61-00. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

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