# SDR ASAA1058053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2010
- Submitted: July 13, 2010
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 13,370 hours, 4,164 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Keypad
- Part number: 17410802
- Part serial: AC00588
- Condition: Intermittent
- Location: Fmc
- Part time: 8,400 hours, 2,596 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/ASAA1058053

## Discrepancy

F/O SIDE FMC/CDU HAS INTERMITTENT PROBLEM WITH LINE SELECT KEY 2L.  WHEN PUSHED THE KEY DOES NOT ALWAYS WORK.  VERIFIED FAULT.  REPLACED F/O MCDU.  SYS TESTS GOOD REF TASK 34 61 01 400 802.

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