# SDR ASAA2022031437687

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2022
- Submitted: March 19, 2022
- Operation: Air carrier
- Aircraft: [N516AS](https://openairdocs.org/aircraft/N516AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39044
- Aircraft time: 48,270 hours, 14,361 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Keyboard
- Part number: 17694406
- Condition: Inoperative
- Location: Flight Compartme
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022031437687

## Discrepancy

FIRST OFFICER FMC R-1 BUTTON IS INOP. GROUNDED - YES. VERIFIED DEFECT. R1 BUTTON INOP. REMOVED AND REPLACED FMCS CDU KEYBOARD IAW B737-800 AMM 34-61-01-000/400-801. PASSES INSTALL TEST. NO OTHER DEFECTS NOTED.

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