# SDR 96ZZZM873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N426FB](https://openairdocs.org/aircraft/N426FB), registered now
- Make and model: Doug DC-8F-54
- Registry model: [Doug DC-8F-54](https://openairdocs.org/model/douglas-dc-8f-54) (OpenAirDocs)
- Aircraft serial: 45667
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Controller
- Part number: 177600151
- Condition: Overheated
- Location: Autopilot
- Component: SP1510
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZM873

## Discrepancy

IN CRUISE EXPERIENCED O-ZONE ODOR AND INTERMITTENT SMOKE FROM BEHIND INSTRUMENT PANEL WHEN AUTO-PILOT WAS ENGAGED.  GROUND INSPECTION REVEALED AUTOPILOT CONTROLLER WAS SHORTED/OVERHEATED.  REPLACED CONTROLLER AND AIRCRAFT RETURNED TO SERVICE.

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