# SDR ASAA2015081712911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2015
- Submitted: August 19, 2015
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 12,913 hours, 3,798 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Keyboard
- Part number: 17410802
- Condition: Broken
- Location: Cockpit Display
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015081712911

## Discrepancy

BUTTON 1L ON CAPT MCDU BROKE INTO TINY PIECES AND THEY ARE LOST.  ACFT GROUNDED. REPLACED FMCS CDU KEYBOARD. OPS NORMAL.  VERIFIED GROUND TEST GOOD, REF MM 34-61-01.

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