# SDR ASAA2018011923239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2018
- Submitted: January 23, 2018
- Operation: Air carrier
- Aircraft: [N478AS](https://openairdocs.org/aircraft/N478AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44105
- Aircraft time: 10,126 hours, 3,413 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: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018011923239

## Discrepancy

RIGHT FMC FAILED IN FLIGHT. GROUNDED - YES. PERFORMED GOOD RESET AND BITE PROCEDURE OF RT FMC PER FIM 34-61 TASK 836 AND FIM 34-61 TASK 801. PERFORMED GOOD OPS TEST OF RT FMC PER AMM 34-61-00-710-801. FMC TRANSFER SWITCH IS SET TO NORMAL.

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