# SDR AALA202605069444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2026
- Submitted: May 6, 2026
- Operation: Air carrier
- Aircraft: [N827NN](https://openairdocs.org/aircraft/N827NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33209
- Aircraft time: 47,357 hours, 20,246 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 005428
- Condition: Failed
- Location: Zone 100
- Part time: 15,433 hours, 72,800 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J, G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202605069444

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING FLIGHT LOST THE LEFT FMC AND RIGHT RIGHT FMC. AIRCRAFT EMERGENCY LANDED SAFELY AT DFW. ACCOMPLISHED T/S PER FIM 34-61-00-810-801. FMCS BITE FAULTS NO FMC 1 DATA AND FMC 1. REMOVED AND REPLACED FMC 1. PER AMM 34-61-02. OPS CHECKS NORMAL.

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