# SDR 9807611229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N229NW](https://openairdocs.org/aircraft/N229NW), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 46551
- System (JASC): [2216 · Autopilot Trim Servo](https://openairdocs.org/jasc/2216)
- Part: Computer
- Part number: 37570217
- Condition: Failed
- Location: E/E Compt
- Part time: 8,525 hours
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9807611229

## Discrepancy

AFTER DEPARTING, THE NR 1 AUTO PILOT OR ATS WOULD NOT ENGAGE.  NR 2 AUTO PILOT WOULD ENGAGE BUT WOULD NOT TRIM.  FLIGHT RETURNED TO AMS AND LANDED WITHOUT INCIDENT.  REPLACED AUTO PITCH TRIM COMPUTER AND ACCELEROMETER, OPERATIONAL CHECK NORMAL.

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