# SDR NOCA10206

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2006
- Submitted: July 14, 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): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Servo Valve
- Part number: A718822
- Part serial: 38701
- Condition: Inoperative
- Location: Autopilot Sys
- Stage of operation: AP
- 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/NOCA10206

## Discrepancy

TR AUTO PILOT DID NOT ENGAGE IN APPROACH MODE -NO LAND 3- ON AUTOLAND STATUS.  REMOVED AND REPLACED RT APCS SERVO VALVE ON ACTUATOR 273 IAW MM 22-12-02.  PERFORMED OPS CHK OF APCS SERVO VALVE PER MM 22-12-02.  MCDP GRD TEST NR 8 DONE IAW MM 22-00-02.  ALSO PERFORMED AFDS SYS & OPERATIONAL CHK IAW 22-10-00.  OPS CHECK OK.

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