# SDR 9521269972

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9336
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47338
- System (JASC): [2212 · Altitude Controller](https://openairdocs.org/jasc/2212)
- Part: Controller
- Condition: Malfunctioned
- Location: Autopilot
- Stage of operation: UK
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9521269972

## Discrepancy

ON THE FIRST TWO ATTEMPTS TO ENGAGE THE AUTOPILOT SYSTEM, THE AIRCRAFT EXPERIENCED A SLIGHT ROLL.  AIRCRAFT OPERATED NORMALLY AFTER ENGAGING THE AUTOPILOT SYSTEM FOR THE THIRD TIME.  AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT.  REPLACED AUTOPILOT CONTROLLER AND OPERATIONAL CHECK GOOD.

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