# SDR ASAA1159570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2011
- Submitted: May 4, 2011
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 12,652 hours, 4,100 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Cdu
- Part number: 1741010201
- Part serial: 005255
- Condition: Defective
- Location: Cockpit
- Part time: 12,658 hours, 4,103 cycles
- 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/ASAA1159570

## Discrepancy

ON F/O'S CDU 6L BUTTON STICKS WORKS INTERMITTENTLY.  REPLACED F/O'S FMCS CDU IAW AMM 34 61 01 PAGE BLOCK 401.  FMCS CDU BITE TEST NORMAL.

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