# SDR ASAA2023032642574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2023
- Submitted: March 27, 2023
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 36,116 hours, 11,465 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023032642574

## Discrepancy

BOTH FMC'S FAILED MOMENTARILY THEN RECOVERED (CONCURRENT WITH HITTING SEND ON A CPDLC MSG) CPDLC DATA LINK FAILED AND RECOVERED AT THE SAME TIME. GROUNDED - YES. BOTH FMC'S AND CPDLC OPS CHECK GOOD.

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