# SDR AALA2019122439020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2019
- Submitted: December 25, 2019
- Operation: Air carrier
- Aircraft: [N908AN](https://openairdocs.org/aircraft/N908AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29510
- Aircraft time: 59,859 hours, 24,608 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Failed
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019122439020

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS FMC FAIL ON BOTH LEFT AND RIGHT.  UNABLE TO ACCESS ANY NAV CAPABILITY FROM CDU. MAINTENANCE RELOADED # 1 & # 2 FMC SOFTWARE INSTALLATION IAW AMM 34-61-00, AIRCRAFT SOFTWARE CONFIGURATION ALL TEST NORMAL.

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