# SDR ASAA2021102336388

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2021
- Submitted: October 26, 2021
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 30,818 hours, 9,902 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Keyboard
- Part number: 17694406
- Condition: None
- 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/ASAA2021102336388

## Discrepancy

DELETE KEY ON CA FMC INOP. ALL OTHER KEYS SEEM TIO WORK. INPUTS ON SCRATCHPAD ARE NON-DELETABLE. GROUNDED - YES. REPLACED CAPT FMCS CDU KEYBOARD REF B737-900 AMM 34-61-01/401 ALL TEST PASS DELETE FUNCTION RESTORED.

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