# SDR AMTA200700377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2007
- Submitted: August 27, 2007
- Operation: Air carrier
- Aircraft: [N561TZ](https://openairdocs.org/aircraft/N561TZ), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 33526
- Engine: Rroyce RB211535E4
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Control Panel
- Part number: 4077880908
- Part serial: 75983
- Condition: Unserviceable
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200700377

## Discrepancy

DURING PREFLIGHT, LT CDU WOULD NOT TURN ON.  STAYED BLANK.  REMOVED AND REPLACED LT CDU IAW MM 34-61-02.  OPS CHECK OK.  (K)

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