# SDR MWEA010981

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2001
- Submitted: June 15, 2001
- Operation: Air carrier
- Aircraft: [N209ME](https://openairdocs.org/aircraft/N209ME), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47730
- Aircraft time: 46,956 hours, 34,580 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Servo
- Part number: 2587788902
- Condition: Inoperative
- Location: Lower Pedestal
- Stage of operation: CL
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MWEA010981

## Discrepancy

WHEN AUTOPILOT WAS ENGAGED THE AIRCRAFT ROLLED VIOLENTLY TO THE LEFT. AP WAS IMMEDIATELY DISENGAGED AND WE NOTICED A WHINING/HUMMING SOUND WHICH CONTINUED FOR REMAINDER OF THE FLIGHT.  --  DEFERRED AUTOPILOT CONTROLLER PER MEL 22-05 PULLED AND COLLERED C/B'S D-2, E-2 DUE TO AILERON SERVO RUNNING CONTINUOUSLY. AILERON SERVO ALSO VIBRATES WHEN RUNNING. PLACARDS INSTALLED. REMOVED AND REPLACED STICK SHAKER DRIVE SERVO.

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