# SDR ASAA2022062338772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2022
- Submitted: June 24, 2022
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 52,262 hours, 15,592 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1741010302
- Part serial: 001401
- Condition: Erratic
- Location: Flight Deck
- Part time: 36,779 hours, 10,494 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022062338772

## Discrepancy

TOP LINE ON FO'S FMS CDU ARE FLICKERING. GROUNDED - YES. RMVD & RPLCD FO'S MCDU REF B737-800 AMM 34-61-01. OPS NML PER SAME. ETOPS GND VERIFICATION SUCCESSFUL.

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