# SDR NOCA02106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2006
- Submitted: March 9, 2006
- Operation: Air carrier
- Aircraft: [N756NA](https://openairdocs.org/aircraft/N756NA), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 32448
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Servo Valve
- Part number: 718822
- Part serial: 40578
- Condition: Inoperative
- Location: Lt Autopilot
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NOCA02106

## Discrepancy

LEFT AUTOPILOT FAILED TO ENGAGE IN APPROACH MODE.

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